3125339081 has 2 divisors, whose sum is σ = 3125339082. Its totient is φ = 3125339080.

The previous prime is 3125339071. The next prime is 3125339093. The reversal of 3125339081 is 1809335213.

It is a happy number.

3125339081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3104718400 + 20620681 = 55720^2 + 4541^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125339081 - 2¹⁰ = 3125338057 is a prime.

It is a super-2 number, since 2×3125339081² = 19535488742451849122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3125339071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562669540 + 1562669541.

It is an arithmetic number, because the mean of its divisors is an integer number (1562669541).

Almost surely, 2^3125339081 is an apocalyptic number.

It is an amenable number.

3125339081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125339081 is an equidigital number, since it uses as much as digits as its factorization.

3125339081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 3125339081 is about 55904.7321878926. The cubic root of 3125339081 is about 1462.0617460665.

The spelling of 3125339081 in words is "three billion, one hundred twenty-five million, three hundred thirty-nine thousand, eighty-one".