25064650 has 24 divisors (see below), whose sum is σ = 50207724. Its totient is φ = 9254400.

The previous prime is 25064639. The next prime is 25064693. The reversal of 25064650 is 5646052.

It can be written as a sum of positive squares in 6 ways, for example, as 2283121 + 22781529 = 1511^2 + 4773^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18631 + ... + 19930.

Almost surely, 2^25064650 is an apocalyptic number.

25064650 is an abundant number, since it is smaller than the sum of its proper divisors (25143074).

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

25064650 is a wasteful number, since it uses less digits than its factorization.

25064650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38586 (or 38581 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25064650 is about 5006.4608257730. The cubic root of 25064650 is about 292.6536071945.

The spelling of 25064650 in words is "twenty-five million, sixty-four thousand, six hundred fifty".