872552563 has 2 divisors, whose sum is σ = 872552564. Its totient is φ = 872552562.

The previous prime is 872552533. The next prime is 872552573. The reversal of 872552563 is 365255278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872552563 - 2¹³ = 872544371 is a prime.

It is a super-2 number, since 2×872552563² = 1522695950395737938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872552533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436276281 + 436276282.

It is an arithmetic number, because the mean of its divisors is an integer number (436276282).

Almost surely, 2^872552563 is an apocalyptic number.

872552563 is a deficient number, since it is larger than the sum of its proper divisors (1).

872552563 is an equidigital number, since it uses as much as digits as its factorization.

872552563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The square root of 872552563 is about 29539.0007109245. Note that the first 3 decimals coincide. The cubic root of 872552563 is about 955.5729913024.

The spelling of 872552563 in words is "eight hundred seventy-two million, five hundred fifty-two thousand, five hundred sixty-three".