457193507 has 2 divisors, whose sum is σ = 457193508. Its totient is φ = 457193506.

The previous prime is 457193483. The next prime is 457193551. The reversal of 457193507 is 705391754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457193507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (457193557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228596753 + 228596754.

It is an arithmetic number, because the mean of its divisors is an integer number (228596754).

Almost surely, 2^457193507 is an apocalyptic number.

457193507 is a deficient number, since it is larger than the sum of its proper divisors (1).

457193507 is an equidigital number, since it uses as much as digits as its factorization.

457193507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 457193507 is about 21382.0837852628. The cubic root of 457193507 is about 770.3711636126.

The spelling of 457193507 in words is "four hundred fifty-seven million, one hundred ninety-three thousand, five hundred seven".