52215199 has 2 divisors, whose sum is σ = 52215200. Its totient is φ = 52215198.

The previous prime is 52215193. The next prime is 52215223. The reversal of 52215199 is 99151225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52215199 - 2⁷ = 52215071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52215193) 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, 26107599 + 26107600.

It is an arithmetic number, because the mean of its divisors is an integer number (26107600).

Almost surely, 2^52215199 is an apocalyptic number.

52215199 is a deficient number, since it is larger than the sum of its proper divisors (1).

52215199 is an equidigital number, since it uses as much as digits as its factorization.

52215199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 34.

The square root of 52215199 is about 7226.0085109277. The cubic root of 52215199 is about 373.7652997618.

The spelling of 52215199 in words is "fifty-two million, two hundred fifteen thousand, one hundred ninety-nine".