852492123025 has 27 divisors (see below), whose sum is σ = 1115769591291. Its totient is φ = 646032815280.

The previous prime is 852492123001. The next prime is 852492123047. The reversal of 852492123025 is 520321294258.

The square root of 852492123025 is 923305.

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., 306897164289 + 545594958736 = 553983^2 + 738644^2 .

It is not a de Polignac number, because 852492123025 - 2¹³ = 852492114833 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, 87709116 + ... + 87718834.

Almost surely, 2^852492123025 is an apocalyptic number.

852492123025 is the 923305-th square number.

852492123025 is the 461653-rd centered octagonal number.

It is an amenable number.

852492123025 is a deficient number, since it is larger than the sum of its proper divisors (263277468266).

852492123025 is an frugal number, since it uses more digits than its factorization.

852492123025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486 (or 9743 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 852492123025 in words is "eight hundred fifty-two billion, four hundred ninety-two million, one hundred twenty-three thousand, twenty-five".