563457 has 8 divisors (see below), whose sum is σ = 763840. Its totient is φ = 369360.

The previous prime is 563449. The next prime is 563467. The reversal of 563457 is 754365.

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

It is not a de Polignac number, because 563457 - 2³ = 563449 is a prime.

It is an Ulam number.

It is a Duffinian number.

563457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (563417) 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, 1357 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (95480).

2⁵⁶³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

563457 is a deficient number, since it is larger than the sum of its proper divisors (200383).

563457 is a wasteful number, since it uses less digits than its factorization.

563457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143.

The product of its digits is 12600, while the sum is 30.

The square root of 563457 is about 750.6377288679. The cubic root of 563457 is about 82.5949686895.

The spelling of 563457 in words is "five hundred sixty-three thousand, four hundred fifty-seven".