2520771604 has 24 divisors (see below), whose sum is σ = 4752382208. Its totient is φ = 1163017440.

The previous prime is 2520771593. The next prime is 2520771677. The reversal of 2520771604 is 4061770252.

It is a self number, because there is not a number n which added to its sum of digits gives 2520771604.

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 7 ways as a sum of consecutive naturals, for example, 175669 + ... + 189475.

Almost surely, 2^2520771604 is an apocalyptic number.

It is an amenable number.

2520771604 is a deficient number, since it is larger than the sum of its proper divisors (2231610604).

2520771604 is a wasteful number, since it uses less digits than its factorization.

2520771604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17335 (or 17333 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2520771604 is about 50207.2863636345. The cubic root of 2520771604 is about 1360.9572996177.

The spelling of 2520771604 in words is "two billion, five hundred twenty million, seven hundred seventy-one thousand, six hundred four".