25256070 has 192 divisors, whose sum is σ = 82736640. Its totient is φ = 5455296.

The previous prime is 25256057. The next prime is 25256107. The reversal of 25256070 is 7065252.

25256070 is a `hidden beast` number, since 2 + 52 + 5 + 607 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 304249 + ... + 304331.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^25256070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25256070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41368320).

25256070 is an abundant number, since it is smaller than the sum of its proper divisors (57480570).

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

25256070 is a wasteful number, since it uses less digits than its factorization.

25256070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 25256070 is about 5025.5417618402. The cubic root of 25256070 is about 293.3967221250.

The spelling of 25256070 in words is "twenty-five million, two hundred fifty-six thousand, seventy".