455232391 has 2 divisors, whose sum is σ = 455232392. Its totient is φ = 455232390.

The previous prime is 455232361. The next prime is 455232451. The reversal of 455232391 is 193232554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455232391 - 2⁵ = 455232359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455232311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227616195 + 227616196.

It is an arithmetic number, because the mean of its divisors is an integer number (227616196).

Almost surely, 2^455232391 is an apocalyptic number.

455232391 is a deficient number, since it is larger than the sum of its proper divisors (1).

455232391 is an equidigital number, since it uses as much as digits as its factorization.

455232391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 455232391 is about 21336.1756413843. The cubic root of 455232391 is about 769.2680912730.

The spelling of 455232391 in words is "four hundred fifty-five million, two hundred thirty-two thousand, three hundred ninety-one".