233532457 has 2 divisors, whose sum is σ = 233532458. Its totient is φ = 233532456.

The previous prime is 233532437. The next prime is 233532463. The reversal of 233532457 is 754235332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216796176 + 16736281 = 14724^2 + 4091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233532457 is a prime.

It is not a weakly prime, because it can be changed into another prime (233532407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116766228 + 116766229.

It is an arithmetic number, because the mean of its divisors is an integer number (116766229).

Almost surely, 2^233532457 is an apocalyptic number.

It is an amenable number.

233532457 is a deficient number, since it is larger than the sum of its proper divisors (1).

233532457 is an equidigital number, since it uses as much as digits as its factorization.

233532457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 34.

The square root of 233532457 is about 15281.7687785151. The cubic root of 233532457 is about 615.8133262786.

Adding to 233532457 its reverse (754235332), we get a palindrome (987767789).

The spelling of 233532457 in words is "two hundred thirty-three million, five hundred thirty-two thousand, four hundred fifty-seven".