2525305402 has 16 divisors (see below), whose sum is σ = 3844423080. Its totient is φ = 1243934208.

The previous prime is 2525305397. The next prime is 2525305411. The reversal of 2525305402 is 2045035252.

It can be written as a sum of positive squares in 4 ways, for example, as 1170255681 + 1355049721 = 34209^2 + 36811^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23698 + ... + 74914.

Almost surely, 2^2525305402 is an apocalyptic number.

2525305402 is a deficient number, since it is larger than the sum of its proper divisors (1319117678).

2525305402 is a wasteful number, since it uses less digits than its factorization.

2525305402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51585.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2525305402 is about 50252.4168772010. The cubic root of 2525305402 is about 1361.7727390797.

The spelling of 2525305402 in words is "two billion, five hundred twenty-five million, three hundred five thousand, four hundred two".