931813743025 has 27 divisors (see below), whose sum is σ = 1270111395819. Its totient is φ = 677644110000.

The previous prime is 931813743017. The next prime is 931813743043. The reversal of 931813743025 is 520347318139.

The square root of 931813743025 is 965305.

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., 335452947489 + 596360795536 = 579183^2 + 772244^2 .

It is not a de Polignac number, because 931813743025 - 2³ = 931813743017 is a prime.

It is a Duffinian number.

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, 53083000 + ... + 53100550.

Almost surely, 2^931813743025 is an apocalyptic number.

931813743025 is the 965305-th square number.

931813743025 is the 482653-rd centered octagonal number.

It is an amenable number.

931813743025 is a deficient number, since it is larger than the sum of its proper divisors (338297652794).

931813743025 is an frugal number, since it uses more digits than its factorization.

931813743025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35134 (or 17567 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 931813743025 in words is "nine hundred thirty-one billion, eight hundred thirteen million, seven hundred forty-three thousand, twenty-five".