563615256 has 64 divisors (see below), whose sum is σ = 1436486400. Its totient is φ = 184238208.

The previous prime is 563615251. The next prime is 563615267. The reversal of 563615256 is 652516365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563615251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431901 + ... + 433203.

It is an arithmetic number, because the mean of its divisors is an integer number (22445100).

Almost surely, 2^563615256 is an apocalyptic number.

It is an amenable number.

563615256 is an abundant number, since it is smaller than the sum of its proper divisors (872871144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563615256 is a wasteful number, since it uses less digits than its factorization.

563615256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1644 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 563615256 is about 23740.5824696868. The cubic root of 563615256 is about 826.0270067600.

The spelling of 563615256 in words is "five hundred sixty-three million, six hundred fifteen thousand, two hundred fifty-six".