457438831 has 2 divisors, whose sum is σ = 457438832. Its totient is φ = 457438830.

The previous prime is 457438829. The next prime is 457438841. The reversal of 457438831 is 138834754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457438831 - 2¹ = 457438829 is a prime.

It is a super-2 number, since 2×457438831² = 418500568213293122, which contains 22 as substring.

Together with 457438829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457438801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228719415 + 228719416.

It is an arithmetic number, because the mean of its divisors is an integer number (228719416).

Almost surely, 2^457438831 is an apocalyptic number.

457438831 is a deficient number, since it is larger than the sum of its proper divisors (1).

457438831 is an equidigital number, since it uses as much as digits as its factorization.

457438831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 457438831 is about 21387.8196878504. The cubic root of 457438831 is about 770.5089293064.

The spelling of 457438831 in words is "four hundred fifty-seven million, four hundred thirty-eight thousand, eight hundred thirty-one".