5251442825 has 6 divisors (see below), whose sum is σ = 6511789134. Its totient is φ = 4201154240.

The previous prime is 5251442821. The next prime is 5251442849. The reversal of 5251442825 is 5282441525.

It can be written as a sum of positive squares in 3 ways, for example, as 304711936 + 4946730889 = 17456^2 + 70333^2 .

It is not a de Polignac number, because 5251442825 - 2² = 5251442821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251442821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105028832 + ... + 105028881.

It is an arithmetic number, because the mean of its divisors is an integer number (1085298189).

Almost surely, 2^5251442825 is an apocalyptic number.

It is an amenable number.

5251442825 is a deficient number, since it is larger than the sum of its proper divisors (1260346309).

5251442825 is a wasteful number, since it uses less digits than its factorization.

5251442825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210057723 (or 210057718 counting only the distinct ones).

The product of its digits is 128000, while the sum is 38.

The square root of 5251442825 is about 72466.8394853812. The cubic root of 5251442825 is about 1738.1725236741.

The spelling of 5251442825 in words is "five billion, two hundred fifty-one million, four hundred forty-two thousand, eight hundred twenty-five".