616313125 has 10 divisors (see below), whose sum is σ = 770145662. Its totient is φ = 493050000.

The previous prime is 616313119. The next prime is 616313147. The reversal of 616313125 is 521313616.

It can be written as a sum of positive squares in 5 ways, for example, as 98386561 + 517926564 = 9919^2 + 22758^2 .

It is not a de Polignac number, because 616313125 - 2¹³ = 616304933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616313093 and 616313102.

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 9 ways as a sum of consecutive naturals, for example, 492426 + ... + 493675.

Almost surely, 2^616313125 is an apocalyptic number.

It is an amenable number.

616313125 is a deficient number, since it is larger than the sum of its proper divisors (153832537).

616313125 is an frugal number, since it uses more digits than its factorization.

616313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986121 (or 986106 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 616313125 is about 24825.6545734448. The cubic root of 616313125 is about 851.0083189719.

The spelling of 616313125 in words is "six hundred sixteen million, three hundred thirteen thousand, one hundred twenty-five".