513381276 has 36 divisors (see below), whose sum is σ = 1306321744. Its totient is φ = 169992000.

The previous prime is 513381251. The next prime is 513381289. The reversal of 513381276 is 672183315.

513381276 is a `hidden beast` number, since 5 + 1 + 3 + 381 + 276 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 513381276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41785 + ... + 52656.

Almost surely, 2^513381276 is an apocalyptic number.

It is an amenable number.

513381276 is an abundant number, since it is smaller than the sum of its proper divisors (792940468).

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

513381276 is a wasteful number, since it uses less digits than its factorization.

513381276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94602 (or 94597 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 513381276 is about 22657.9186157952. The cubic root of 513381276 is about 800.7187686045.

The spelling of 513381276 in words is "five hundred thirteen million, three hundred eighty-one thousand, two hundred seventy-six".