457886561 has 4 divisors (see below), whose sum is σ = 499512624. Its totient is φ = 416260500.

The previous prime is 457886531. The next prime is 457886563. The reversal of 457886561 is 165688754.

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.

It is a cyclic number.

It is not a de Polignac number, because 457886561 - 2⁶ = 457886497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457886563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20813015 + ... + 20813036.

It is an arithmetic number, because the mean of its divisors is an integer number (124878156).

Almost surely, 2^457886561 is an apocalyptic number.

It is an amenable number.

457886561 is a deficient number, since it is larger than the sum of its proper divisors (41626063).

457886561 is a wasteful number, since it uses less digits than its factorization.

457886561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41626062.

The product of its digits is 1612800, while the sum is 50.

The square root of 457886561 is about 21398.2840667190. The cubic root of 457886561 is about 770.7602324666.

The spelling of 457886561 in words is "four hundred fifty-seven million, eight hundred eighty-six thousand, five hundred sixty-one".