52206239 has 2 divisors, whose sum is σ = 52206240. Its totient is φ = 52206238.

The previous prime is 52206211. The next prime is 52206241. The reversal of 52206239 is 93260225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52206239 - 2⁸ = 52205983 is a prime.

Together with 52206241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52206299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103119 + 26103120.

It is an arithmetic number, because the mean of its divisors is an integer number (26103120).

Almost surely, 2^52206239 is an apocalyptic number.

52206239 is a deficient number, since it is larger than the sum of its proper divisors (1).

52206239 is an equidigital number, since it uses as much as digits as its factorization.

52206239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 52206239 is about 7225.3885016655. The cubic root of 52206239 is about 373.7439194695.

The spelling of 52206239 in words is "fifty-two million, two hundred six thousand, two hundred thirty-nine".