23257425 has 36 divisors (see below), whose sum is σ = 40629840. Its totient is φ = 11737440.

The previous prime is 23257397. The next prime is 23257441. The reversal of 23257425 is 52475232.

It is not a de Polignac number, because 23257425 - 2¹⁷ = 23126353 is a prime.

23257425 is a modest number, since divided by 7425 gives 2325 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23257392 and 23257401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26646 + ... + 27504.

Almost surely, 2^23257425 is an apocalyptic number.

23257425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23257425 is a deficient number, since it is larger than the sum of its proper divisors (17372415).

23257425 is a wasteful number, since it uses less digits than its factorization.

23257425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 886 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 23257425 is about 4822.5952556689. The cubic root of 23257425 is about 285.4437531495.

The spelling of 23257425 in words is "twenty-three million, two hundred fifty-seven thousand, four hundred twenty-five".