2521916534 has 16 divisors (see below), whose sum is σ = 3870380256. Its totient is φ = 1232064000.

The previous prime is 2521916533. The next prime is 2521916563. The reversal of 2521916534 is 4356191252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521916533) 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, 50027 + ... + 86870.

It is an arithmetic number, because the mean of its divisors is an integer number (241898766).

Almost surely, 2^2521916534 is an apocalyptic number.

2521916534 is a deficient number, since it is larger than the sum of its proper divisors (1348463722).

2521916534 is a wasteful number, since it uses less digits than its factorization.

2521916534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137111.

The product of its digits is 64800, while the sum is 38.

The square root of 2521916534 is about 50218.6870995250. The cubic root of 2521916534 is about 1361.1633165621.

The spelling of 2521916534 in words is "two billion, five hundred twenty-one million, nine hundred sixteen thousand, five hundred thirty-four".