239103257 has 2 divisors, whose sum is σ = 239103258. Its totient is φ = 239103256.

The previous prime is 239103211. The next prime is 239103313. The reversal of 239103257 is 752301932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163430656 + 75672601 = 12784^2 + 8699^2 .

It is a cyclic number.

It is not a de Polignac number, because 239103257 - 2⁸ = 239103001 is a prime.

It is not a weakly prime, because it can be changed into another prime (239103457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119551628 + 119551629.

It is an arithmetic number, because the mean of its divisors is an integer number (119551629).

Almost surely, 2^239103257 is an apocalyptic number.

It is an amenable number.

239103257 is a deficient number, since it is larger than the sum of its proper divisors (1).

239103257 is an equidigital number, since it uses as much as digits as its factorization.

239103257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 239103257 is about 15462.9640431581. The cubic root of 239103257 is about 620.6715382456.

The spelling of 239103257 in words is "two hundred thirty-nine million, one hundred three thousand, two hundred fifty-seven".