513215496 has 24 divisors (see below), whose sum is σ = 1389958830. Its totient is φ = 171071808.

The previous prime is 513215489. The next prime is 513215501. The reversal of 513215496 is 694512315.

513215496 is a `hidden beast` number, since 513 + 2 + 1 + 54 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 511392996 + 1822500 = 22614^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 513215496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3563925 + ... + 3564068.

Almost surely, 2^513215496 is an apocalyptic number.

It is an amenable number.

513215496 is an abundant number, since it is smaller than the sum of its proper divisors (876743334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513215496 is a wasteful number, since it uses less digits than its factorization.

513215496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128005 (or 7127998 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 513215496 is about 22654.2599967423. The cubic root of 513215496 is about 800.6325705197.

The spelling of 513215496 in words is "five hundred thirteen million, two hundred fifteen thousand, four hundred ninety-six".