232512457 has 2 divisors, whose sum is σ = 232512458. Its totient is φ = 232512456.

The previous prime is 232512439. The next prime is 232512463. The reversal of 232512457 is 754215232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203233536 + 29278921 = 14256^2 + 5411^2 .

It is a cyclic number.

It is not a de Polignac number, because 232512457 - 2¹¹ = 232510409 is a prime.

It is not a weakly prime, because it can be changed into another prime (232512437) 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, 116256228 + 116256229.

It is an arithmetic number, because the mean of its divisors is an integer number (116256229).

Almost surely, 2^232512457 is an apocalyptic number.

It is an amenable number.

232512457 is a deficient number, since it is larger than the sum of its proper divisors (1).

232512457 is an equidigital number, since it uses as much as digits as its factorization.

232512457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 232512457 is about 15248.3591576274. The cubic root of 232512457 is about 614.9154549213.

Adding to 232512457 its reverse (754215232), we get a palindrome (986727689).

The spelling of 232512457 in words is "two hundred thirty-two million, five hundred twelve thousand, four hundred fifty-seven".