52439161 has 2 divisors, whose sum is σ = 52439162. Its totient is φ = 52439160.

The previous prime is 52439143. The next prime is 52439201. The reversal of 52439161 is 16193425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 12559936 = 6315^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 52439161 - 2⁹ = 52438649 is a prime.

It is not a weakly prime, because it can be changed into another prime (52439131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26219580 + 26219581.

It is an arithmetic number, because the mean of its divisors is an integer number (26219581).

Almost surely, 2^52439161 is an apocalyptic number.

It is an amenable number.

52439161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52439161 is an equidigital number, since it uses as much as digits as its factorization.

52439161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 52439161 is about 7241.4888662484. The cubic root of 52439161 is about 374.2989236100.

The spelling of 52439161 in words is "fifty-two million, four hundred thirty-nine thousand, one hundred sixty-one".