567268981 has 2 divisors, whose sum is σ = 567268982. Its totient is φ = 567268980.

The previous prime is 567268957. The next prime is 567269009. The reversal of 567268981 is 189862765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554602500 + 12666481 = 23550^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 567268981 - 2¹¹ = 567266933 is a prime.

It is a super-2 number, since 2×567268981² = 643588193609556722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (567268931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283634490 + 283634491.

It is an arithmetic number, because the mean of its divisors is an integer number (283634491).

Almost surely, 2^567268981 is an apocalyptic number.

It is an amenable number.

567268981 is a deficient number, since it is larger than the sum of its proper divisors (1).

567268981 is an equidigital number, since it uses as much as digits as its factorization.

567268981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 567268981 is about 23817.4091999949. The cubic root of 567268981 is about 827.8081137373.

The spelling of 567268981 in words is "five hundred sixty-seven million, two hundred sixty-eight thousand, nine hundred eighty-one".