5121608825 has 12 divisors (see below), whose sum is σ = 6437794428. Its totient is φ = 4041158400.

The previous prime is 5121608813. The next prime is 5121608867. The reversal of 5121608825 is 5288061215.

It can be written as a sum of positive squares in 6 ways, for example, as 90402064 + 5031206761 = 9508^2 + 70931^2 .

It is not a de Polignac number, because 5121608825 - 2²⁴ = 5104831609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401356 + ... + 1405005.

It is an arithmetic number, because the mean of its divisors is an integer number (536482869).

Almost surely, 2^5121608825 is an apocalyptic number.

It is an amenable number.

5121608825 is a deficient number, since it is larger than the sum of its proper divisors (1316185603).

5121608825 is a wasteful number, since it uses less digits than its factorization.

5121608825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806444 (or 2806439 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 5121608825 is about 71565.4164034557. The cubic root of 5121608825 is about 1723.7282595989.

The spelling of 5121608825 in words is "five billion, one hundred twenty-one million, six hundred eight thousand, eight hundred twenty-five".