52099213 has 2 divisors, whose sum is σ = 52099214. Its totient is φ = 52099212.

The previous prime is 52099199. The next prime is 52099241. The reversal of 52099213 is 31299025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31505769 + 20593444 = 5613^2 + 4538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52099213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52099513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26049606 + 26049607.

It is an arithmetic number, because the mean of its divisors is an integer number (26049607).

Almost surely, 2^52099213 is an apocalyptic number.

It is an amenable number.

52099213 is a deficient number, since it is larger than the sum of its proper divisors (1).

52099213 is an equidigital number, since it uses as much as digits as its factorization.

52099213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 52099213 is about 7217.9784566040. The cubic root of 52099213 is about 373.4883454038.

The spelling of 52099213 in words is "fifty-two million, ninety-nine thousand, two hundred thirteen".