5129990225 has 24 divisors (see below), whose sum is σ = 6399888000. Its totient is φ = 4079113920.

The previous prime is 5129990221. The next prime is 5129990249. The reversal of 5129990225 is 5220999215.

It is not a de Polignac number, because 5129990225 - 2² = 5129990221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5129990221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3421526 + ... + 3423024.

It is an arithmetic number, because the mean of its divisors is an integer number (266662000).

Almost surely, 2^5129990225 is an apocalyptic number.

It is an amenable number.

5129990225 is a deficient number, since it is larger than the sum of its proper divisors (1269897775).

5129990225 is a wasteful number, since it uses less digits than its factorization.

5129990225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 5129990225 is about 71623.9500795649. The cubic root of 5129990225 is about 1724.6680282545.

The spelling of 5129990225 in words is "five billion, one hundred twenty-nine million, nine hundred ninety thousand, two hundred twenty-five".