25157425 has 12 divisors (see below), whose sum is σ = 32837680. Its totient is φ = 19066320.

The previous prime is 25157411. The next prime is 25157443. The reversal of 25157425 is 52475152.

It is not a de Polignac number, because 25157425 - 2⁹ = 25156913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26007 + ... + 26956.

Almost surely, 2^25157425 is an apocalyptic number.

25157425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25157425 is a deficient number, since it is larger than the sum of its proper divisors (7680255).

25157425 is a wasteful number, since it uses less digits than its factorization.

25157425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52992 (or 52987 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 25157425 is about 5015.7177950917. The cubic root of 25157425 is about 293.0142413685.

The spelling of 25157425 in words is "twenty-five million, one hundred fifty-seven thousand, four hundred twenty-five".