715572187225 has 27 divisors (see below), whose sum is σ = 1032219079677. Its totient is φ = 490657769280.

The previous prime is 715572187201. The next prime is 715572187237. The reversal of 715572187225 is 522781275517.

The square root of 715572187225 is 845915.

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

It can be written as a sum of positive squares in 4 ways, for example, as 157879870281 + 557692316944 = 397341^2 + 746788^2 .

It is not a de Polignac number, because 715572187225 - 2⁵ = 715572187193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29594941 + ... + 29619109.

Almost surely, 2^715572187225 is an apocalyptic number.

715572187225 is the 845915-th square number.

715572187225 is the 422958-th centered octagonal number.

It is an amenable number.

715572187225 is a deficient number, since it is larger than the sum of its proper divisors (316646892452).

715572187225 is an frugal number, since it uses more digits than its factorization.

715572187225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48362 (or 24181 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 52.

The spelling of 715572187225 in words is "seven hundred fifteen billion, five hundred seventy-two million, one hundred eighty-seven thousand, two hundred twenty-five".