938757521025 has 63 divisors (see below), whose sum is σ = 1745533806681. Its totient is φ = 500600917440.

The previous prime is 938757521017. The next prime is 938757521027. The reversal of 938757521025 is 520125757839.

The square root of 938757521025 is 968895.

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

938757521025 is a `hidden beast` number, since 9 + 38 + 7 + 575 + 2 + 10 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 131153346801 + 807604174224 = 362151^2 + 898668^2 .

It is not a de Polignac number, because 938757521025 - 2³ = 938757521017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (938757521027) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 130797237 + ... + 130804413.

Almost surely, 2^938757521025 is an apocalyptic number.

938757521025 is the 968895-th square number.

938757521025 is the 484448-th centered octagonal number.

It is an amenable number.

938757521025 is a deficient number, since it is larger than the sum of its proper divisors (806776285656).

938757521025 is an frugal number, since it uses more digits than its factorization.

938757521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382 (or 7185 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The spelling of 938757521025 in words is "nine hundred thirty-eight billion, seven hundred fifty-seven million, five hundred twenty-one thousand, twenty-five".