565253279 has 2 divisors, whose sum is σ = 565253280. Its totient is φ = 565253278.

The previous prime is 565253263. The next prime is 565253291. The reversal of 565253279 is 972352565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565253279 - 2⁴ = 565253263 is a prime.

It is a super-2 number, since 2×565253279² = 639022538840503682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565253779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282626639 + 282626640.

It is an arithmetic number, because the mean of its divisors is an integer number (282626640).

Almost surely, 2^565253279 is an apocalyptic number.

565253279 is a deficient number, since it is larger than the sum of its proper divisors (1).

565253279 is an equidigital number, since it uses as much as digits as its factorization.

565253279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 44.

The square root of 565253279 is about 23775.0558148661. The cubic root of 565253279 is about 826.8264543455.

The spelling of 565253279 in words is "five hundred sixty-five million, two hundred fifty-three thousand, two hundred seventy-nine".