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2425 = 5297
BaseRepresentation
bin100101111001
310022211
4211321
534200
615121
710033
oct4571
93284
102425
111905
1214a1
131147
14c53
15aba
hex979

2425 has 6 divisors (see below), whose sum is σ = 3038. Its totient is φ = 1920.

The previous prime is 2423. The next prime is 2437. The reversal of 2425 is 5242.

Adding to 2425 its reverse (5242), we get a palindrome (7667).

It can be divided in two parts, 24 and 25, that added together give a square (49 = 72).

It is a happy number.

2425 is nontrivially palindromic in base 15 and base 16.

2425 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 3 ways, for example, as 121 + 2304 = 11^2 + 48^2 .

It is not a de Polignac number, because 2425 - 21 = 2423 is a prime.

It is a Duffinian number.

2425 is an undulating number in base 15 and base 16.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24 + ... + 73.

22425 is an apocalyptic number.

2425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2425 is the 25-th decagonal number.

It is an amenable number.

2425 is a deficient number, since it is larger than the sum of its proper divisors (613).

2425 is an equidigital number, since it uses as much as digits as its factorization.

2425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its digits is 80, while the sum is 13.

The square root of 2425 is about 49.2442890090. The cubic root of 2425 is about 13.4349869106.

The spelling of 2425 in words is "two thousand, four hundred twenty-five".

Divisors: 1 5 25 97 485 2425