455243431 has 2 divisors, whose sum is σ = 455243432. Its totient is φ = 455243430.

The previous prime is 455243429. The next prime is 455243441. The reversal of 455243431 is 134342554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455243431 - 2¹ = 455243429 is a prime.

It is a super-2 number, since 2×455243431² = 414493162937303522, which contains 22 as substring.

Together with 455243429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 455243393 and 455243402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455243441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227621715 + 227621716.

It is an arithmetic number, because the mean of its divisors is an integer number (227621716).

Almost surely, 2^455243431 is an apocalyptic number.

455243431 is a deficient number, since it is larger than the sum of its proper divisors (1).

455243431 is an equidigital number, since it uses as much as digits as its factorization.

455243431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 455243431 is about 21336.4343553463. The cubic root of 455243431 is about 769.2743098193.

Adding to 455243431 its reverse (134342554), we get a palindrome (589585985).

The spelling of 455243431 in words is "four hundred fifty-five million, two hundred forty-three thousand, four hundred thirty-one".