25628268 has 12 divisors (see below), whose sum is σ = 59799320. Its totient is φ = 8542752.

The previous prime is 25628263. The next prime is 25628269. The reversal of 25628268 is 86282652.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25628261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067833 + ... + 1067856.

Almost surely, 2^25628268 is an apocalyptic number.

It is an amenable number.

25628268 is an abundant number, since it is smaller than the sum of its proper divisors (34171052).

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

25628268 is a wasteful number, since it uses less digits than its factorization.

25628268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135696 (or 2135694 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 25628268 is about 5062.4369625705. The cubic root of 25628268 is about 294.8309593649.

The spelling of 25628268 in words is "twenty-five million, six hundred twenty-eight thousand, two hundred sixty-eight".