457322357 has 2 divisors, whose sum is σ = 457322358. Its totient is φ = 457322356.

The previous prime is 457322353. The next prime is 457322401. The reversal of 457322357 is 753223754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347785201 + 109537156 = 18649^2 + 10466^2 .

It is a cyclic number.

It is not a de Polignac number, because 457322357 - 2² = 457322353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457322357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457322351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228661178 + 228661179.

It is an arithmetic number, because the mean of its divisors is an integer number (228661179).

Almost surely, 2^457322357 is an apocalyptic number.

It is an amenable number.

457322357 is a deficient number, since it is larger than the sum of its proper divisors (1).

457322357 is an equidigital number, since it uses as much as digits as its factorization.

457322357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 38.

The square root of 457322357 is about 21385.0966095550. The cubic root of 457322357 is about 770.4435275747.

The spelling of 457322357 in words is "four hundred fifty-seven million, three hundred twenty-two thousand, three hundred fifty-seven".