232215037 has 2 divisors, whose sum is σ = 232215038. Its totient is φ = 232215036.

The previous prime is 232215031. The next prime is 232215041. The reversal of 232215037 is 730512232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121418361 + 110796676 = 11019^2 + 10526^2 .

It is a cyclic number.

It is not a de Polignac number, because 232215037 - 2²³ = 223826429 is a prime.

It is a super-2 number, since 2×232215037² = 107847646817822738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232215031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116107518 + 116107519.

It is an arithmetic number, because the mean of its divisors is an integer number (116107519).

Almost surely, 2^232215037 is an apocalyptic number.

It is an amenable number.

232215037 is a deficient number, since it is larger than the sum of its proper divisors (1).

232215037 is an equidigital number, since it uses as much as digits as its factorization.

232215037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 232215037 is about 15238.6035121333. The cubic root of 232215037 is about 614.6531518554.

Adding to 232215037 its reverse (730512232), we get a palindrome (962727269).

The spelling of 232215037 in words is "two hundred thirty-two million, two hundred fifteen thousand, thirty-seven".