520964513 has 8 divisors (see below), whose sum is σ = 552830400. Its totient is φ = 489866608.

The previous prime is 520964471. The next prime is 520964527. The reversal of 520964513 is 315469025.

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

It is a cyclic number.

It is not a de Polignac number, because 520964513 - 2¹² = 520960417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520964113) 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, 190598 + ... + 193311.

It is an arithmetic number, because the mean of its divisors is an integer number (69103800).

Almost surely, 2^520964513 is an apocalyptic number.

It is an amenable number.

520964513 is a deficient number, since it is larger than the sum of its proper divisors (31865887).

520964513 is a wasteful number, since it uses less digits than its factorization.

520964513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383991.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 520964513 is about 22824.6470509403. The cubic root of 520964513 is about 804.6420295415.

The spelling of 520964513 in words is "five hundred twenty million, nine hundred sixty-four thousand, five hundred thirteen".