25713620 has 24 divisors (see below), whose sum is σ = 54096000. Its totient is φ = 10266912.

The previous prime is 25713599. The next prime is 25713629. The reversal of 25713620 is 2631752.

It is a super-2 number, since 2×25713620² = 1322380507008800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25713620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17681 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (2254000).

Almost surely, 2^25713620 is an apocalyptic number.

25713620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25713620 is an abundant number, since it is smaller than the sum of its proper divisors (28382380).

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

25713620 is a wasteful number, since it uses less digits than its factorization.

25713620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25713620 is about 5070.8598876325. The cubic root of 25713620 is about 295.1578968946.

The spelling of 25713620 in words is "twenty-five million, seven hundred thirteen thousand, six hundred twenty".