253029239 has 2 divisors, whose sum is σ = 253029240. Its totient is φ = 253029238.

The previous prime is 253029211. The next prime is 253029299. The reversal of 253029239 is 932920352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253029239 - 2¹⁶ = 252963703 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 253029199 and 253029208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253029299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126514619 + 126514620.

It is an arithmetic number, because the mean of its divisors is an integer number (126514620).

Almost surely, 2^253029239 is an apocalyptic number.

253029239 is a deficient number, since it is larger than the sum of its proper divisors (1).

253029239 is an equidigital number, since it uses as much as digits as its factorization.

253029239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 253029239 is about 15906.8928141231. The cubic root of 253029239 is about 632.4947180945.

The spelling of 253029239 in words is "two hundred fifty-three million, twenty-nine thousand, two hundred thirty-nine".