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2575 = 52103
BaseRepresentation
bin101000001111
310112101
4220033
540300
615531
710336
oct5017
93471
102575
111a31
1215a7
131231
14d1d
15b6a
hexa0f

2575 has 6 divisors (see below), whose sum is σ = 3224. Its totient is φ = 2040.

The previous prime is 2557. The next prime is 2579. The reversal of 2575 is 5752.

Subtracting from 2575 its sum of digits (19), we obtain a triangular number (2556 = T71).

It can be divided in two parts, 257 and 5, that added together give a palindrome (262).

It is a happy number.

2575 is nontrivially palindromic in base 14.

2575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2575 - 25 = 2543 is a prime.

It is a Duffinian number.

2575 is an undulating number in base 14.

2575 is a modest number, since divided by 75 gives 25 as remainder.

2575 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27 + ... + 76.

22575 is an apocalyptic number.

2575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2575 is a deficient number, since it is larger than the sum of its proper divisors (649).

2575 is a wasteful number, since it uses less digits than its factorization.

2575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 108 counting only the distinct ones).

The product of its digits is 350, while the sum is 19.

The square root of 2575 is about 50.7444578255. The cubic root of 2575 is about 13.7064739325.

The spelling of 2575 in words is "two thousand, five hundred seventy-five".

Divisors: 1 5 25 103 515 2575