713691225 has 81 divisors (see below), whose sum is σ = 1394372343. Its totient is φ = 348791040.

The previous prime is 713691211. The next prime is 713691233. The reversal of 713691225 is 522196317.

The square root of 713691225 is 26715.

It is a perfect power (a square), and thus also a powerful number.

713691225 is a `hidden beast` number, since 71 + 369 + 1 + 225 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 633982041 + 79709184 = 25179^2 + 8928^2 .

It is not a de Polignac number, because 713691225 - 2¹¹ = 713689177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 713691225.

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 80 ways as a sum of consecutive naturals, for example, 5209357 + ... + 5209493.

Almost surely, 2^713691225 is an apocalyptic number.

713691225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

713691225 is the 26715-th square number.

713691225 is the 13358-th centered octagonal number.

It is an amenable number.

713691225 is a deficient number, since it is larger than the sum of its proper divisors (680681118).

713691225 is a wasteful number, since it uses less digits than its factorization.

713691225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 158 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The cubic root of 713691225 is about 893.6554720962.

Multiplying 713691225 by its sum of digits (36), we get a square (25692884100 = 160290²).

The spelling of 713691225 in words is "seven hundred thirteen million, six hundred ninety-one thousand, two hundred twenty-five".