457313749 has 2 divisors, whose sum is σ = 457313750. Its totient is φ = 457313748.

The previous prime is 457313743. The next prime is 457313771. The reversal of 457313749 is 947313754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279491524 + 177822225 = 16718^2 + 13335^2 .

It is a cyclic number.

It is not a de Polignac number, because 457313749 - 2⁷ = 457313621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457313743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228656874 + 228656875.

It is an arithmetic number, because the mean of its divisors is an integer number (228656875).

Almost surely, 2^457313749 is an apocalyptic number.

It is an amenable number.

457313749 is a deficient number, since it is larger than the sum of its proper divisors (1).

457313749 is an equidigital number, since it uses as much as digits as its factorization.

457313749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 457313749 is about 21384.8953469499. The cubic root of 457313749 is about 770.4386936252.

The spelling of 457313749 in words is "four hundred fifty-seven million, three hundred thirteen thousand, seven hundred forty-nine".