457544431 has 2 divisors, whose sum is σ = 457544432. Its totient is φ = 457544430.

The previous prime is 457544419. The next prime is 457544447. The reversal of 457544431 is 134445754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457544431 - 2²³ = 449155823 is a prime.

It is a super-2 number, since 2×457544431² = 418693812678227522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457544411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228772215 + 228772216.

It is an arithmetic number, because the mean of its divisors is an integer number (228772216).

Almost surely, 2^457544431 is an apocalyptic number.

457544431 is a deficient number, since it is larger than the sum of its proper divisors (1).

457544431 is an equidigital number, since it uses as much as digits as its factorization.

457544431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 37.

The square root of 457544431 is about 21390.2882402272. The cubic root of 457544431 is about 770.5682155447.

The spelling of 457544431 in words is "four hundred fifty-seven million, five hundred forty-four thousand, four hundred thirty-one".