25715682 has 12 divisors (see below), whose sum is σ = 55717350. Its totient is φ = 8571888.

The previous prime is 25715671. The next prime is 25715687. The reversal of 25715682 is 28651752.

It is a happy number.

25715682 is a `hidden beast` number, since 2 + 571 + 5 + 6 + 82 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19105641 + 6610041 = 4371^2 + 2571^2 .

It is a super-2 number, since 2×25715682² = 1322592601450248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25715687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714307 + ... + 714342.

Almost surely, 2^25715682 is an apocalyptic number.

25715682 is an abundant number, since it is smaller than the sum of its proper divisors (30001668).

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

25715682 is a wasteful number, since it uses less digits than its factorization.

25715682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428657 (or 1428654 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 25715682 is about 5071.0632021303. The cubic root of 25715682 is about 295.1657863492.

The spelling of 25715682 in words is "twenty-five million, seven hundred fifteen thousand, six hundred eighty-two".