319287153025 has 9 divisors (see below), whose sum is σ = 395919573123. Its totient is φ = 255427462200.

The previous prime is 319287152971. The next prime is 319287153037. The reversal of 319287153025 is 520351782913.

The square root of 319287153025 is 565055.

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., 114943375089 + 204343777936 = 339033^2 + 452044^2 .

It is not a de Polignac number, because 319287153025 - 2³⁷ = 181848199553 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, 2768770 + ... + 2881780.

Almost surely, 2^319287153025 is an apocalyptic number.

319287153025 is the 565055-th square number.

319287153025 is the 282528-th centered octagonal number.

It is an amenable number.

319287153025 is a deficient number, since it is larger than the sum of its proper divisors (76632420098).

319287153025 is an frugal number, since it uses more digits than its factorization.

319287153025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226032 (or 113016 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 319287153025 in words is "three hundred nineteen billion, two hundred eighty-seven million, one hundred fifty-three thousand, twenty-five".