52158013 has 2 divisors, whose sum is σ = 52158014. Its totient is φ = 52158012.

The previous prime is 52157993. The next prime is 52158047. The reversal of 52158013 is 31085125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52157284 + 729 = 7222^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 52158013 - 2⁵ = 52157981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52158083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26079006 + 26079007.

It is an arithmetic number, because the mean of its divisors is an integer number (26079007).

Almost surely, 2^52158013 is an apocalyptic number.

It is an amenable number.

52158013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52158013 is an equidigital number, since it uses as much as digits as its factorization.

52158013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 52158013 is about 7222.0504706074. The cubic root of 52158013 is about 373.6288008715.

The spelling of 52158013 in words is "fifty-two million, one hundred fifty-eight thousand, thirteen".