5191923025 has 9 divisors (see below), whose sum is σ = 6438431323. Its totient is φ = 4153250200.

The previous prime is 5191923017. The next prime is 5191923031. The reversal of 5191923025 is 5203291915.

The square root of 5191923025 is 72055.

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., 1869092289 + 3322830736 = 43233^2 + 57644^2 .

It is not a de Polignac number, because 5191923025 - 2³ = 5191923017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 353070 + ... + 367480.

Almost surely, 2^5191923025 is an apocalyptic number.

5191923025 is the 72055-th square number.

5191923025 is the 36028-th centered octagonal number.

It is an amenable number.

5191923025 is a deficient number, since it is larger than the sum of its proper divisors (1246508298).

5191923025 is an frugal number, since it uses more digits than its factorization.

5191923025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28832 (or 14416 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The cubic root of 5191923025 is about 1731.5807469323.

The spelling of 5191923025 in words is "five billion, one hundred ninety-one million, nine hundred twenty-three thousand, twenty-five".