52099813 has 2 divisors, whose sum is σ = 52099814. Its totient is φ = 52099812.

The previous prime is 52099783. The next prime is 52099823. The reversal of 52099813 is 31899025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52099524 + 289 = 7218^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 52099813 - 2²⁵ = 18545381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52099823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26049906 + 26049907.

It is an arithmetic number, because the mean of its divisors is an integer number (26049907).

Almost surely, 2^52099813 is an apocalyptic number.

It is an amenable number.

52099813 is a deficient number, since it is larger than the sum of its proper divisors (1).

52099813 is an equidigital number, since it uses as much as digits as its factorization.

52099813 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 37.

The square root of 52099813 is about 7218.0200193682. The cubic root of 52099813 is about 373.4897791564.

The spelling of 52099813 in words is "fifty-two million, ninety-nine thousand, eight hundred thirteen".