457916953 has 4 divisors (see below), whose sum is σ = 493141348. Its totient is φ = 422692560.

The previous prime is 457916909. The next prime is 457917017. The reversal of 457916953 is 359619754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23736384 + 434180569 = 4872^2 + 20837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457916953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457916897 and 457916906.

It is not an unprimeable number, because it can be changed into a prime (457916653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17612178 + ... + 17612203.

It is an arithmetic number, because the mean of its divisors is an integer number (123285337).

Almost surely, 2^457916953 is an apocalyptic number.

It is an amenable number.

457916953 is a deficient number, since it is larger than the sum of its proper divisors (35224395).

457916953 is a wasteful number, since it uses less digits than its factorization.

457916953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35224394.

The product of its digits is 1020600, while the sum is 49.

The square root of 457916953 is about 21398.9942053359. The cubic root of 457916953 is about 770.7772850357. Note that the first 3 decimals are identical.

The spelling of 457916953 in words is "four hundred fifty-seven million, nine hundred sixteen thousand, nine hundred fifty-three".