457321513 has 8 divisors (see below), whose sum is σ = 501431040. Its totient is φ = 413634480.

The previous prime is 457321493. The next prime is 457321519. The reversal of 457321513 is 315123754.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457321513 - 2¹⁷ = 457190441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457321519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103353 + ... + 107686.

It is an arithmetic number, because the mean of its divisors is an integer number (62678880).

Almost surely, 2^457321513 is an apocalyptic number.

It is an amenable number.

457321513 is a deficient number, since it is larger than the sum of its proper divisors (44109527).

457321513 is a wasteful number, since it uses less digits than its factorization.

457321513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211247.

The product of its digits is 12600, while the sum is 31.

The square root of 457321513 is about 21385.0768761770. The cubic root of 457321513 is about 770.4430536167.

The spelling of 457321513 in words is "four hundred fifty-seven million, three hundred twenty-one thousand, five hundred thirteen".