2522991604 has 12 divisors (see below), whose sum is σ = 5045983264. Its totient is φ = 1081282104.

The previous prime is 2522991577. The next prime is 2522991623. The reversal of 2522991604 is 4061992252.

2522991604 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45053394 + ... + 45053449.

Almost surely, 2^2522991604 is an apocalyptic number.

It is an amenable number.

2522991604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2522991604 is a wasteful number, since it uses less digits than its factorization.

2522991604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90106854 (or 90106852 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2522991604 is about 50229.3898429993. The cubic root of 2522991604 is about 1361.3567062506.

The spelling of 2522991604 in words is "two billion, five hundred twenty-two million, nine hundred ninety-one thousand, six hundred four".