239164253 has 2 divisors, whose sum is σ = 239164254. Its totient is φ = 239164252.

The previous prime is 239164231. The next prime is 239164273. The reversal of 239164253 is 352461932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188156089 + 51008164 = 13717^2 + 7142^2 .

It is a cyclic number.

It is not a de Polignac number, because 239164253 - 2¹² = 239160157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239164273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119582126 + 119582127.

It is an arithmetic number, because the mean of its divisors is an integer number (119582127).

Almost surely, 2^239164253 is an apocalyptic number.

It is an amenable number.

239164253 is a deficient number, since it is larger than the sum of its proper divisors (1).

239164253 is an equidigital number, since it uses as much as digits as its factorization.

239164253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 239164253 is about 15464.9362429982. The cubic root of 239164253 is about 620.7243121849.

The spelling of 239164253 in words is "two hundred thirty-nine million, one hundred sixty-four thousand, two hundred fifty-three".