2501402528 has 12 divisors (see below), whose sum is σ = 4924636290. Its totient is φ = 1250701248.

The previous prime is 2501402521. The next prime is 2501402531. The reversal of 2501402528 is 8252041052.

It can be written as a sum of positive squares in only one way, i.e., 2437594384 + 63808144 = 49372^2 + 7988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2501402528.

It is not an unprimeable number, because it can be changed into a prime (2501402521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39084383 + ... + 39084446.

Almost surely, 2^2501402528 is an apocalyptic number.

It is an amenable number.

2501402528 is a deficient number, since it is larger than the sum of its proper divisors (2423233762).

2501402528 is an equidigital number, since it uses as much as digits as its factorization.

2501402528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78168839 (or 78168831 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 2501402528 is about 50014.0233134668. The cubic root of 2501402528 is about 1357.4625639642.

The spelling of 2501402528 in words is "two billion, five hundred one million, four hundred two thousand, five hundred twenty-eight".