15232052317 has 2 divisors, whose sum is σ = 15232052318. Its totient is φ = 15232052316.

The previous prime is 15232052267. The next prime is 15232052327. The reversal of 15232052317 is 71325023251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14254927236 + 977125081 = 119394^2 + 31259^2 .

It is a cyclic number.

It is not a de Polignac number, because 15232052317 - 2⁷ = 15232052189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15232052327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7616026158 + 7616026159.

It is an arithmetic number, because the mean of its divisors is an integer number (7616026159).

Almost surely, 2^15232052317 is an apocalyptic number.

It is an amenable number.

15232052317 is a deficient number, since it is larger than the sum of its proper divisors (1).

15232052317 is an equidigital number, since it uses as much as digits as its factorization.

15232052317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 15232052317 its reverse (71325023251), we get a palindrome (86557075568).

The spelling of 15232052317 in words is "fifteen billion, two hundred thirty-two million, fifty-two thousand, three hundred seventeen".