5157394225 has 27 divisors (see below), whose sum is σ = 6542249889. Its totient is φ = 4033130400.

The previous prime is 5157394217. The next prime is 5157394237. The reversal of 5157394225 is 5224937515.

It is a happy number.

The square root of 5157394225 is 71815.

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

It can be written as a sum of positive squares in 4 ways, for example, as 38850289 + 5118543936 = 6233^2 + 71544^2 .

It is not a de Polignac number, because 5157394225 - 2³ = 5157394217 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, 19030840 + ... + 19031110.

Almost surely, 2^5157394225 is an apocalyptic number.

5157394225 is the 71815-th square number.

5157394225 is the 35908-th centered octagonal number.

It is an amenable number.

5157394225 is a deficient number, since it is larger than the sum of its proper divisors (1384855664).

5157394225 is an frugal number, since it uses more digits than its factorization.

5157394225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 329 counting only the distinct ones).

The product of its digits is 378000, while the sum is 43.

The cubic root of 5157394225 is about 1727.7335892273.

The spelling of 5157394225 in words is "five billion, one hundred fifty-seven million, three hundred ninety-four thousand, two hundred twenty-five".