457405357 has 4 divisors (see below), whose sum is σ = 457462656. Its totient is φ = 457348060.

The previous prime is 457405331. The next prime is 457405397. The reversal of 457405357 is 753504754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 753504754 = 2 ⋅376752377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457405357 is a prime.

It is a super-2 number, since 2×457405357² = 418439321224594898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457405327) 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 in 3 ways as a sum of consecutive naturals, for example, 14269 + ... + 33442.

It is an arithmetic number, because the mean of its divisors is an integer number (114365664).

Almost surely, 2^457405357 is an apocalyptic number.

It is an amenable number.

457405357 is a deficient number, since it is larger than the sum of its proper divisors (57299).

457405357 is an equidigital number, since it uses as much as digits as its factorization.

457405357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57298.

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 457405357 is about 21387.0371253243. The cubic root of 457405357 is about 770.4901343381.

The spelling of 457405357 in words is "four hundred fifty-seven million, four hundred five thousand, three hundred fifty-seven".