565261027 has 2 divisors, whose sum is σ = 565261028. Its totient is φ = 565261026.

The previous prime is 565261019. The next prime is 565261043. The reversal of 565261027 is 720162565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565261027 - 2³ = 565261019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 565260983 and 565261001.

It is not a weakly prime, because it can be changed into another prime (565261007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282630513 + 282630514.

It is an arithmetic number, because the mean of its divisors is an integer number (282630514).

Almost surely, 2^565261027 is an apocalyptic number.

565261027 is a deficient number, since it is larger than the sum of its proper divisors (1).

565261027 is an equidigital number, since it uses as much as digits as its factorization.

565261027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 565261027 is about 23775.2187581944. The cubic root of 565261027 is about 826.8302321341.

The spelling of 565261027 in words is "five hundred sixty-five million, two hundred sixty-one thousand, twenty-seven".