957198073225 has 27 divisors (see below), whose sum is σ = 1192318261927. Its totient is φ = 762295046480.

The previous prime is 957198073211. The next prime is 957198073241. The reversal of 957198073225 is 522370891759.

It is a happy number.

The square root of 957198073225 is 978365.

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

It can be written as a sum of positive squares in only one way, i.e., 344591306361 + 612606766864 = 587019^2 + 782692^2 .

It is a de Polignac number, because none of the positive numbers 2^k-957198073225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 957198073225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2049674442 + ... + 2049674908.

Almost surely, 2^957198073225 is an apocalyptic number.

957198073225 is the 978365-th square number.

957198073225 is the 489183-rd centered octagonal number.

It is an amenable number.

957198073225 is a deficient number, since it is larger than the sum of its proper divisors (235120188702).

957198073225 is an frugal number, since it uses more digits than its factorization.

957198073225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 957198073225 in words is "nine hundred fifty-seven billion, one hundred ninety-eight million, seventy-three thousand, two hundred twenty-five".