572550581 has 2 divisors, whose sum is σ = 572550582. Its totient is φ = 572550580.

The previous prime is 572550557. The next prime is 572550619. The reversal of 572550581 is 185055275.

It is an a-pointer prime, because the next prime (572550619) can be obtained adding 572550581 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549902500 + 22648081 = 23450^2 + 4759^2 .

It is a cyclic number.

It is not a de Polignac number, because 572550581 - 2¹⁴ = 572534197 is a prime.

It is a super-2 number, since 2×572550581² = 655628335606875122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572550481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286275290 + 286275291.

It is an arithmetic number, because the mean of its divisors is an integer number (286275291).

Almost surely, 2^572550581 is an apocalyptic number.

It is an amenable number.

572550581 is a deficient number, since it is larger than the sum of its proper divisors (1).

572550581 is an equidigital number, since it uses as much as digits as its factorization.

572550581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 572550581 is about 23928.0291917241. The cubic root of 572550581 is about 830.3693043737.

The spelling of 572550581 in words is "five hundred seventy-two million, five hundred fifty thousand, five hundred eighty-one".