513873464 has 32 divisors (see below), whose sum is σ = 1065681120. Its totient is φ = 230760576.

The previous prime is 513873463. The next prime is 513873497. The reversal of 513873464 is 464378315.

It is a super-3 number, since 3×513873464³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513873463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62924 + ... + 70619.

It is an arithmetic number, because the mean of its divisors is an integer number (33302535).

Almost surely, 2^513873464 is an apocalyptic number.

It is an amenable number.

513873464 is an abundant number, since it is smaller than the sum of its proper divisors (551807656).

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

513873464 is a wasteful number, since it uses less digits than its factorization.

513873464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133599 (or 133595 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 513873464 is about 22668.7772938904. Note that the first 3 decimals coincide. The cubic root of 513873464 is about 800.9745747729.

The spelling of 513873464 in words is "five hundred thirteen million, eight hundred seventy-three thousand, four hundred sixty-four".