656052513 has 16 divisors (see below), whose sum is σ = 904430400. Its totient is φ = 422680896.

The previous prime is 656052511. The next prime is 656052517. The reversal of 656052513 is 315250656.

It is not a de Polignac number, because 656052513 - 2¹ = 656052511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (656052511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295 + ... + 36372.

It is an arithmetic number, because the mean of its divisors is an integer number (56526900).

Almost surely, 2^656052513 is an apocalyptic number.

It is an amenable number.

656052513 is a deficient number, since it is larger than the sum of its proper divisors (248377887).

656052513 is a wasteful number, since it uses less digits than its factorization.

656052513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39856.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 656052513 is about 25613.5220733112. The cubic root of 656052513 is about 868.9194816729.

The spelling of 656052513 in words is "six hundred fifty-six million, fifty-two thousand, five hundred thirteen".