25061868 has 36 divisors (see below), whose sum is σ = 68225248. Its totient is φ = 7711200.

The previous prime is 25061867. The next prime is 25061891. The reversal of 25061868 is 86816052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25061867) 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, 26308 + ... + 27243.

Almost surely, 2^25061868 is an apocalyptic number.

It is an amenable number.

25061868 is an abundant number, since it is smaller than the sum of its proper divisors (43163380).

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

25061868 is a wasteful number, since it uses less digits than its factorization.

25061868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53574 (or 53569 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25061868 is about 5006.1829770794. The cubic root of 25061868 is about 292.6427792960.

The spelling of 25061868 in words is "twenty-five million, sixty-one thousand, eight hundred sixty-eight".