1157700625 has 15 divisors (see below), whose sum is σ = 1447726423. Its totient is φ = 925480000.

The previous prime is 1157700581. The next prime is 1157700637. The reversal of 1157700625 is 5260077511.

It is a happy number.

The square root of 1157700625 is 34025.

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

It can be written as a sum of positive squares in 7 ways, for example, as 1134813969 + 22886656 = 33687^2 + 4784^2 .

It is not a de Polignac number, because 1157700625 - 2⁷ = 1157700497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 849945 + ... + 851305.

Almost surely, 2^1157700625 is an apocalyptic number.

1157700625 is the 34025-th square number.

1157700625 is the 17013-rd centered octagonal number.

It is an amenable number.

1157700625 is a deficient number, since it is larger than the sum of its proper divisors (290025798).

1157700625 is an frugal number, since it uses more digits than its factorization.

1157700625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The cubic root of 1157700625 is about 1050.0228642036.

The spelling of 1157700625 in words is "one billion, one hundred fifty-seven million, seven hundred thousand, six hundred twenty-five".