25157070 has 24 divisors (see below), whose sum is σ = 65408616. Its totient is φ = 6708528.

The previous prime is 25157063. The next prime is 25157081. The reversal of 25157070 is 7075152.

25157070 is a `hidden beast` number, since 25 + 1 + 570 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139672 + ... + 139851.

It is an arithmetic number, because the mean of its divisors is an integer number (2725359).

Almost surely, 2^25157070 is an apocalyptic number.

25157070 is an abundant number, since it is smaller than the sum of its proper divisors (40251546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25157070 is a wasteful number, since it uses less digits than its factorization.

25157070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279536 (or 279533 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 25157070 is about 5015.6824062135. The cubic root of 25157070 is about 293.0128631068.

The spelling of 25157070 in words is "twenty-five million, one hundred fifty-seven thousand, seventy".