572752981 has 2 divisors, whose sum is σ = 572752982. Its totient is φ = 572752980.

The previous prime is 572752979. The next prime is 572752997. The reversal of 572752981 is 189257275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295530481 + 277222500 = 17191^2 + 16650^2 .

It is a cyclic number.

It is not a de Polignac number, because 572752981 - 2¹ = 572752979 is a prime.

It is a super-2 number, since 2×572752981² = 656091954488772722, which contains 22 as substring.

Together with 572752979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572752781) 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, 286376490 + 286376491.

It is an arithmetic number, because the mean of its divisors is an integer number (286376491).

Almost surely, 2^572752981 is an apocalyptic number.

It is an amenable number.

572752981 is a deficient number, since it is larger than the sum of its proper divisors (1).

572752981 is an equidigital number, since it uses as much as digits as its factorization.

572752981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 46.

The square root of 572752981 is about 23932.2581675863. The cubic root of 572752981 is about 830.4671396582.

The spelling of 572752981 in words is "five hundred seventy-two million, seven hundred fifty-two thousand, nine hundred eighty-one".