455349431 has 2 divisors, whose sum is σ = 455349432. Its totient is φ = 455349430.

The previous prime is 455349407. The next prime is 455349439. The reversal of 455349431 is 134943554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455349431 is a prime.

It is a super-2 number, since 2×455349431² = 414686208624047522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455349439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227674715 + 227674716.

It is an arithmetic number, because the mean of its divisors is an integer number (227674716).

Almost surely, 2^455349431 is an apocalyptic number.

455349431 is a deficient number, since it is larger than the sum of its proper divisors (1).

455349431 is an equidigital number, since it uses as much as digits as its factorization.

455349431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 455349431 is about 21338.9182246898. The cubic root of 455349431 is about 769.3340117598.

The spelling of 455349431 in words is "four hundred fifty-five million, three hundred forty-nine thousand, four hundred thirty-one".