25630157 has 8 divisors (see below), whose sum is σ = 29323200. Its totient is φ = 21945024.

The previous prime is 25630141. The next prime is 25630177. The reversal of 25630157 is 75103652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25630157 - 2⁴ = 25630141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630117) 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 7 ways as a sum of consecutive naturals, for example, 9194 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (3665400).

Almost surely, 2^25630157 is an apocalyptic number.

It is an amenable number.

25630157 is a deficient number, since it is larger than the sum of its proper divisors (3693043).

25630157 is a wasteful number, since it uses less digits than its factorization.

25630157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 25630157 is about 5062.6235293571. The cubic root of 25630157 is about 294.8382029549.

The spelling of 25630157 in words is "twenty-five million, six hundred thirty thousand, one hundred fifty-seven".