2520521464 has 32 divisors (see below), whose sum is σ = 4958432640. Its totient is φ = 1199606400.

The previous prime is 2520521459. The next prime is 2520521467. The reversal of 2520521464 is 4641250252.

2520521464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520521467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68179 + ... + 98434.

It is an arithmetic number, because the mean of its divisors is an integer number (154951020).

Almost surely, 2^2520521464 is an apocalyptic number.

It is an amenable number.

2520521464 is a deficient number, since it is larger than the sum of its proper divisors (2437911176).

2520521464 is a wasteful number, since it uses less digits than its factorization.

2520521464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166711 (or 166707 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2520521464 is about 50204.7952291412. The cubic root of 2520521464 is about 1360.9122815077.

The spelling of 2520521464 in words is "two billion, five hundred twenty million, five hundred twenty-one thousand, four hundred sixty-four".