616695425 has 6 divisors (see below), whose sum is σ = 764702358. Its totient is φ = 493356320.

The previous prime is 616695419. The next prime is 616695461. The reversal of 616695425 is 524596616.

It can be written as a sum of positive squares in 3 ways, for example, as 25816561 + 590878864 = 5081^2 + 24308^2 .

It is not a de Polignac number, because 616695425 - 2¹⁰ = 616694401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12333884 + ... + 12333933.

It is an arithmetic number, because the mean of its divisors is an integer number (127450393).

Almost surely, 2^616695425 is an apocalyptic number.

It is an amenable number.

616695425 is a deficient number, since it is larger than the sum of its proper divisors (148006933).

616695425 is a wasteful number, since it uses less digits than its factorization.

616695425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667827 (or 24667822 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 616695425 is about 24833.3530760548. The cubic root of 616695425 is about 851.1842432008.

The spelling of 616695425 in words is "six hundred sixteen million, six hundred ninety-five thousand, four hundred twenty-five".