232415317 has 2 divisors, whose sum is σ = 232415318. Its totient is φ = 232415316.

The previous prime is 232415297. The next prime is 232415321. The reversal of 232415317 is 713514232.

232415317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154728721 + 77686596 = 12439^2 + 8814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232415317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232415327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116207658 + 116207659.

It is an arithmetic number, because the mean of its divisors is an integer number (116207659).

Almost surely, 2^232415317 is an apocalyptic number.

It is an amenable number.

232415317 is a deficient number, since it is larger than the sum of its proper divisors (1).

232415317 is an equidigital number, since it uses as much as digits as its factorization.

232415317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 232415317 is about 15245.1735641153. The cubic root of 232415317 is about 614.8298090330.

Adding to 232415317 its reverse (713514232), we get a palindrome (945929549).

The spelling of 232415317 in words is "two hundred thirty-two million, four hundred fifteen thousand, three hundred seventeen".