563873213 has 4 divisors (see below), whose sum is σ = 564875328. Its totient is φ = 562871100.

The previous prime is 563873209. The next prime is 563873237. The reversal of 563873213 is 312378365.

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 563873213 - 2² = 563873209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563870213) 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, 500213 + ... + 501338.

It is an arithmetic number, because the mean of its divisors is an integer number (141218832).

Almost surely, 2^563873213 is an apocalyptic number.

It is an amenable number.

563873213 is a deficient number, since it is larger than the sum of its proper divisors (1002115).

563873213 is a wasteful number, since it uses less digits than its factorization.

563873213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002114.

The product of its digits is 90720, while the sum is 38.

The square root of 563873213 is about 23746.0146761514. The cubic root of 563873213 is about 826.1530069862.

The spelling of 563873213 in words is "five hundred sixty-three million, eight hundred seventy-three thousand, two hundred thirteen".