2521064534 has 8 divisors (see below), whose sum is σ = 3800600400. Its totient is φ = 1254197736.

The previous prime is 2521064527. The next prime is 2521064549. The reversal of 2521064534 is 4354601252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2521064534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166769 + ... + 3167564.

It is an arithmetic number, because the mean of its divisors is an integer number (475075050).

Almost surely, 2^2521064534 is an apocalyptic number.

2521064534 is a deficient number, since it is larger than the sum of its proper divisors (1279535866).

2521064534 is a wasteful number, since it uses less digits than its factorization.

2521064534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334534.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2521064534 is about 50210.2034849492. The cubic root of 2521064534 is about 1361.0100149291.

Adding to 2521064534 its reverse (4354601252), we get a palindrome (6875665786).

The spelling of 2521064534 in words is "two billion, five hundred twenty-one million, sixty-four thousand, five hundred thirty-four".