513511964 has 36 divisors (see below), whose sum is σ = 1046742984. Its totient is φ = 219786336.

The previous prime is 513511963. The next prime is 513511967. The reversal of 513511964 is 469115315.

It is a super-2 number, since 2×513511964² = 527389074342274592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513511963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218942 + ... + 221274.

It is an arithmetic number, because the mean of its divisors is an integer number (29076194).

Almost surely, 2^513511964 is an apocalyptic number.

It is an amenable number.

513511964 is an abundant number, since it is smaller than the sum of its proper divisors (533231020).

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

513511964 is a wasteful number, since it uses less digits than its factorization.

513511964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3465 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 513511964 is about 22660.8023688483. The cubic root of 513511964 is about 800.7867073608.

The spelling of 513511964 in words is "five hundred thirteen million, five hundred eleven thousand, nine hundred sixty-four".