563626121 has 4 divisors (see below), whose sum is σ = 563757312. Its totient is φ = 563494932.

The previous prime is 563626093. The next prime is 563626171. The reversal of 563626121 is 121626365.

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 a de Polignac number, because none of the positive numbers 2^k-563626121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563626171) 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, 58925 + ... + 67818.

It is an arithmetic number, because the mean of its divisors is an integer number (140939328).

Almost surely, 2^563626121 is an apocalyptic number.

It is an amenable number.

563626121 is a deficient number, since it is larger than the sum of its proper divisors (131191).

563626121 is a wasteful number, since it uses less digits than its factorization.

563626121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131190.

The product of its digits is 12960, while the sum is 32.

The square root of 563626121 is about 23740.8112961626. The cubic root of 563626121 is about 826.0323145923.

The spelling of 563626121 in words is "five hundred sixty-three million, six hundred twenty-six thousand, one hundred twenty-one".