232413557 has 2 divisors, whose sum is σ = 232413558. Its totient is φ = 232413556.

The previous prime is 232413527. The next prime is 232413583. The reversal of 232413557 is 755314232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208686916 + 23726641 = 14446^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 232413557 - 2¹⁶ = 232348021 is a prime.

It is a super-2 number, since 2×232413557² = 108032122954784498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232413527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116206778 + 116206779.

It is an arithmetic number, because the mean of its divisors is an integer number (116206779).

Almost surely, 2^232413557 is an apocalyptic number.

It is an amenable number.

232413557 is a deficient number, since it is larger than the sum of its proper divisors (1).

232413557 is an equidigital number, since it uses as much as digits as its factorization.

232413557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 232413557 is about 15245.1158408193. The cubic root of 232413557 is about 614.8282570653.

Adding to 232413557 its reverse (755314232), we get a palindrome (987727789).

The spelling of 232413557 in words is "two hundred thirty-two million, four hundred thirteen thousand, five hundred fifty-seven".