513373500 has 72 divisors (see below), whose sum is σ = 1619536464. Its totient is φ = 136898400.

The previous prime is 513373493. The next prime is 513373507. The reversal of 513373500 is 5373315.

It is an interprime number because it is at equal distance from previous prime (513373493) and next prime (513373507).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513373507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52542 + ... + 61541.

It is an arithmetic number, because the mean of its divisors is an integer number (22493562).

Almost surely, 2^513373500 is an apocalyptic number.

513373500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

513373500 is an abundant number, since it is smaller than the sum of its proper divisors (1106162964).

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

513373500 is a wasteful number, since it uses less digits than its factorization.

513373500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114108 (or 114093 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 513373500 is about 22657.7470195075. The cubic root of 513373500 is about 800.7147258519.

The spelling of 513373500 in words is "five hundred thirteen million, three hundred seventy-three thousand, five hundred".