25680562 has 4 divisors (see below), whose sum is σ = 38520846. Its totient is φ = 12840280.

The previous prime is 25680547. The next prime is 25680583. The reversal of 25680562 is 26508652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 690561 = 4999^2 + 831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420139 + ... + 6420142.

Almost surely, 2^25680562 is an apocalyptic number.

25680562 is a deficient number, since it is larger than the sum of its proper divisors (12840284).

25680562 is a wasteful number, since it uses less digits than its factorization.

25680562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840283.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25680562 is about 5067.5992343515. The cubic root of 25680562 is about 295.0313554721.

The spelling of 25680562 in words is "twenty-five million, six hundred eighty thousand, five hundred sixty-two".