716310625 has 10 divisors (see below), whose sum is σ = 895102538. Its totient is φ = 573048000.

The previous prime is 716310611. The next prime is 716310653. The reversal of 716310625 is 526013617.

It can be written as a sum of positive squares in 5 ways, for example, as 528264256 + 188046369 = 22984^2 + 13713^2 .

It is a de Polignac number, because none of the positive numbers 2^k-716310625 is a prime.

It is a super-2 number, since 2×716310625² = 1026201822975781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 572424 + ... + 573673.

Almost surely, 2^716310625 is an apocalyptic number.

It is an amenable number.

716310625 is a deficient number, since it is larger than the sum of its proper divisors (178791913).

716310625 is an equidigital number, since it uses as much as digits as its factorization.

716310625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146117 (or 1146102 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 716310625 is about 26763.9799917725. The cubic root of 716310625 is about 894.7474397382.

The spelling of 716310625 in words is "seven hundred sixteen million, three hundred ten thousand, six hundred twenty-five".