52167239 has 2 divisors, whose sum is σ = 52167240. Its totient is φ = 52167238.

The previous prime is 52167191. The next prime is 52167307. The reversal of 52167239 is 93276125.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52167239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52167199 and 52167208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52160239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26083619 + 26083620.

It is an arithmetic number, because the mean of its divisors is an integer number (26083620).

Almost surely, 2^52167239 is an apocalyptic number.

52167239 is a deficient number, since it is larger than the sum of its proper divisors (1).

52167239 is an equidigital number, since it uses as much as digits as its factorization.

52167239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 52167239 is about 7222.6891806307. The cubic root of 52167239 is about 373.6508294209.

The spelling of 52167239 in words is "fifty-two million, one hundred sixty-seven thousand, two hundred thirty-nine".