132257231 has 2 divisors, whose sum is σ = 132257232. Its totient is φ = 132257230.

The previous prime is 132257227. The next prime is 132257261. The reversal of 132257231 is 132752231.

It is a weak prime.

It is an emirp because it is prime and its reverse (132752231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132257231 - 2² = 132257227 is a prime.

It is a super-2 number, since 2×132257231² = 34983950303574722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132257231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132257261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66128615 + 66128616.

It is an arithmetic number, because the mean of its divisors is an integer number (66128616).

Almost surely, 2^132257231 is an apocalyptic number.

132257231 is a deficient number, since it is larger than the sum of its proper divisors (1).

132257231 is an equidigital number, since it uses as much as digits as its factorization.

132257231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 132257231 is about 11500.3143870070. The cubic root of 132257231 is about 509.4948618828.

The spelling of 132257231 in words is "one hundred thirty-two million, two hundred fifty-seven thousand, two hundred thirty-one".