25713630 has 24 divisors (see below), whose sum is σ = 66855672. Its totient is φ = 6856944.

The previous prime is 25713629. The next prime is 25713637. The reversal of 25713630 is 3631752.

It is a happy number.

25713630 is a `hidden beast` number, since 25 + 7 + 1 + 3 + 630 = 666.

It is a super-2 number, since 2×25713630² = 1322381535553800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25713594 and 25713603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142764 + ... + 142943.

It is an arithmetic number, because the mean of its divisors is an integer number (2785653).

Almost surely, 2^25713630 is an apocalyptic number.

25713630 is an abundant number, since it is smaller than the sum of its proper divisors (41142042).

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

25713630 is a wasteful number, since it uses less digits than its factorization.

25713630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285720 (or 285717 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 25713630 is about 5070.8608736584. The cubic root of 25713630 is about 295.1579351568.

The spelling of 25713630 in words is "twenty-five million, seven hundred thirteen thousand, six hundred thirty".