513056464 has 20 divisors (see below), whose sum is σ = 1052520804. Its totient is φ = 241438208.

The previous prime is 513056419. The next prime is 513056473. The reversal of 513056464 is 464650315.

It can be written as a sum of positive squares in 2 ways, for example, as 293779600 + 219276864 = 17140^2 + 14808^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942847 + ... + 943390.

Almost surely, 2^513056464 is an apocalyptic number.

It is an amenable number.

513056464 is an abundant number, since it is smaller than the sum of its proper divisors (539464340).

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

513056464 is a wasteful number, since it uses less digits than its factorization.

513056464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886262 (or 1886256 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 513056464 is about 22650.7497447656. The cubic root of 513056464 is about 800.5498636425.

The spelling of 513056464 in words is "five hundred thirteen million, fifty-six thousand, four hundred sixty-four".