572218489 has 2 divisors, whose sum is σ = 572218490. Its totient is φ = 572218488.

The previous prime is 572218483. The next prime is 572218511. The reversal of 572218489 is 984812275.

572218489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359292025 + 212926464 = 18955^2 + 14592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572218489 is a prime.

It is equal to p_29948266 and since 572218489 and 29948266 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (572218483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286109244 + 286109245.

It is an arithmetic number, because the mean of its divisors is an integer number (286109245).

Almost surely, 2^572218489 is an apocalyptic number.

It is an amenable number.

572218489 is a deficient number, since it is larger than the sum of its proper divisors (1).

572218489 is an equidigital number, since it uses as much as digits as its factorization.

572218489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 572218489 is about 23921.0887921098. The cubic root of 572218489 is about 830.2087291368.

The spelling of 572218489 in words is "five hundred seventy-two million, two hundred eighteen thousand, four hundred eighty-nine".