613531125 has 32 divisors (see below), whose sum is σ = 1134357120. Its totient is φ = 327214800.

The previous prime is 613531117. The next prime is 613531133. The reversal of 613531125 is 521135316.

613531125 is a `hidden beast` number, since 6 + 1 + 3 + 531 + 125 = 666.

It is an interprime number because it is at equal distance from previous prime (613531117) and next prime (613531133).

It is not a de Polignac number, because 613531125 - 2³ = 613531117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 87519 + ... + 94268.

It is an arithmetic number, because the mean of its divisors is an integer number (35448660).

Almost surely, 2^613531125 is an apocalyptic number.

It is an amenable number.

613531125 is a deficient number, since it is larger than the sum of its proper divisors (520825995).

613531125 is a wasteful number, since it uses less digits than its factorization.

613531125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181811 (or 181795 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 613531125 is about 24769.5604522971. The cubic root of 613531125 is about 849.7259208610.

The spelling of 613531125 in words is "six hundred thirteen million, five hundred thirty-one thousand, one hundred twenty-five".