2506425 has 24 divisors (see below), whose sum is σ = 4327104. Its totient is φ = 1277760.

The previous prime is 2506421. The next prime is 2506447. The reversal of 2506425 is 5246052.

It is not a de Polignac number, because 2506425 - 2² = 2506421 is a prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2506395 and 2506404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (180296).

2^2506425 is an apocalyptic number.

2506425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2506425 is a deficient number, since it is larger than the sum of its proper divisors (1820679).

2506425 is a wasteful number, since it uses less digits than its factorization.

2506425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2506425 is about 1583.1692897476. The cubic root of 2506425 is about 135.8370489238.

The spelling of 2506425 in words is "two million, five hundred six thousand, four hundred twenty-five".