718365225 has 12 divisors (see below), whose sum is σ = 1187697296. Its totient is φ = 383128080.

The previous prime is 718365211. The next prime is 718365229. The reversal of 718365225 is 522563817.

It is not a de Polignac number, because 718365225 - 2⁶ = 718365161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (718365229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4789027 + ... + 4789176.

Almost surely, 2^718365225 is an apocalyptic number.

718365225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

718365225 is a deficient number, since it is larger than the sum of its proper divisors (469332071).

718365225 is a wasteful number, since it uses less digits than its factorization.

718365225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578216 (or 9578211 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 718365225 is about 26802.3361854895. The cubic root of 718365225 is about 895.6020937440.

The spelling of 718365225 in words is "seven hundred eighteen million, three hundred sixty-five thousand, two hundred twenty-five".