239956097 has 2 divisors, whose sum is σ = 239956098. Its totient is φ = 239956096.

The previous prime is 239956091. The next prime is 239956147. The reversal of 239956097 is 790659932.

It is an a-pointer prime, because the next prime (239956147) can be obtained adding 239956097 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233600656 + 6355441 = 15284^2 + 2521^2 .

It is a cyclic number.

It is not a de Polignac number, because 239956097 - 2¹² = 239952001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (239956091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119978048 + 119978049.

It is an arithmetic number, because the mean of its divisors is an integer number (119978049).

Almost surely, 2^239956097 is an apocalyptic number.

It is an amenable number.

239956097 is a deficient number, since it is larger than the sum of its proper divisors (1).

239956097 is an equidigital number, since it uses as much as digits as its factorization.

239956097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 239956097 is about 15490.5163567907. The cubic root of 239956097 is about 621.4086053164.

The spelling of 239956097 in words is "two hundred thirty-nine million, nine hundred fifty-six thousand, ninety-seven".