525925192849 has 27 divisors (see below), whose sum is σ = 615958245513. Its totient is φ = 447742801800.

The previous prime is 525925192843. The next prime is 525925192861. The reversal of 525925192849 is 948291529525.

The square root of 525925192849 is 725207.

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

It is not a de Polignac number, because 525925192849 - 2⁹ = 525925192337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525925192843) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1071130494 + ... + 1071130984.

Almost surely, 2^525925192849 is an apocalyptic number.

525925192849 is the 725207-th square number.

525925192849 is the 362604-th centered octagonal number.

It is an amenable number.

525925192849 is a deficient number, since it is larger than the sum of its proper divisors (90033052664).

525925192849 is an frugal number, since it uses more digits than its factorization.

525925192849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 709 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 61.

The spelling of 525925192849 in words is "five hundred twenty-five billion, nine hundred twenty-five million, one hundred ninety-two thousand, eight hundred forty-nine".