5131000225 has 24 divisors (see below), whose sum is σ = 6981162552. Its totient is φ = 3717542400.

The previous prime is 5131000219. The next prime is 5131000261. The reversal of 5131000225 is 5220001315.

It can be written as a sum of positive squares in 12 ways, for example, as 2846542609 + 2284457616 = 53353^2 + 47796^2 .

It is not a de Polignac number, because 5131000225 - 2¹³ = 5130992033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131716 + ... + 166165.

It is an arithmetic number, because the mean of its divisors is an integer number (290881773).

Almost surely, 2^5131000225 is an apocalyptic number.

It is an amenable number.

5131000225 is a deficient number, since it is larger than the sum of its proper divisors (1850162327).

5131000225 is a wasteful number, since it uses less digits than its factorization.

5131000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297957 (or 297952 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 5131000225 is about 71631.0004467340. Note that the first 3 decimals coincide. The cubic root of 5131000225 is about 1724.7812058843.

The spelling of 5131000225 in words is "five billion, one hundred thirty-one million, two hundred twenty-five", and thus it is an aban number.