573572981 has 2 divisors, whose sum is σ = 573572982. Its totient is φ = 573572980.

The previous prime is 573572963. The next prime is 573573031. The reversal of 573572981 is 189275375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452242756 + 121330225 = 21266^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 573572981 - 2¹⁴ = 573556597 is a prime.

It is a super-2 number, since 2×573572981² = 657971929066452722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573572941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286786490 + 286786491.

It is an arithmetic number, because the mean of its divisors is an integer number (286786491).

Almost surely, 2^573572981 is an apocalyptic number.

It is an amenable number.

573572981 is a deficient number, since it is larger than the sum of its proper divisors (1).

573572981 is an equidigital number, since it uses as much as digits as its factorization.

573572981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 47.

The square root of 573572981 is about 23949.3837290232. The cubic root of 573572981 is about 830.8632722271.

The spelling of 573572981 in words is "five hundred seventy-three million, five hundred seventy-two thousand, nine hundred eighty-one".