2525002664 has 8 divisors (see below), whose sum is σ = 4734380010. Its totient is φ = 1262501328.

The previous prime is 2525002657. The next prime is 2525002691. The reversal of 2525002664 is 4662005252.

It can be written as a sum of positive squares in only one way, i.e., 1447193764 + 1077808900 = 38042^2 + 32830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2525002664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157812659 + ... + 157812674.

Almost surely, 2^2525002664 is an apocalyptic number.

It is an amenable number.

2525002664 is a deficient number, since it is larger than the sum of its proper divisors (2209377346).

2525002664 is a wasteful number, since it uses less digits than its factorization.

2525002664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315625339 (or 315625335 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2525002664 is about 50249.4046133882. The cubic root of 2525002664 is about 1361.7183196775.

The spelling of 2525002664 in words is "two billion, five hundred twenty-five million, two thousand, six hundred sixty-four".