564101281 has 2 divisors, whose sum is σ = 564101282. Its totient is φ = 564101280.

The previous prime is 564101257. The next prime is 564101287. The reversal of 564101281 is 182101465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301369600 + 262731681 = 17360^2 + 16209^2 .

It is a cyclic number.

It is not a de Polignac number, because 564101281 - 2⁵ = 564101249 is a prime.

It is a super-2 number, since 2×564101281² = 636420510451681922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564101287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282050640 + 282050641.

It is an arithmetic number, because the mean of its divisors is an integer number (282050641).

Almost surely, 2^564101281 is an apocalyptic number.

It is an amenable number.

564101281 is a deficient number, since it is larger than the sum of its proper divisors (1).

564101281 is an equidigital number, since it uses as much as digits as its factorization.

564101281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 564101281 is about 23750.8164280725. The cubic root of 564101281 is about 826.2643757965.

The spelling of 564101281 in words is "five hundred sixty-four million, one hundred one thousand, two hundred eighty-one".