613381504 has 32 divisors (see below), whose sum is σ = 1223724600. Its totient is φ = 306250752.

The previous prime is 613381499. The next prime is 613381511. The reversal of 613381504 is 405183316.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 97692 + ... + 103780.

Almost surely, 2^613381504 is an apocalyptic number.

613381504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

613381504 is a deficient number, since it is larger than the sum of its proper divisors (610343096).

613381504 is an equidigital number, since it uses as much as digits as its factorization.

613381504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6878 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 613381504 is about 24766.5400086488. The cubic root of 613381504 is about 849.6568414108.

The spelling of 613381504 in words is "six hundred thirteen million, three hundred eighty-one thousand, five hundred four".