565525601 has 2 divisors, whose sum is σ = 565525602. Its totient is φ = 565525600.

The previous prime is 565525589. The next prime is 565525603. The reversal of 565525601 is 106525565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365727376 + 199798225 = 19124^2 + 14135^2 .

It is a cyclic number.

It is not a de Polignac number, because 565525601 - 2⁶ = 565525537 is a prime.

It is a super-2 number, since 2×565525601² = 639638410772822402, which contains 22 as substring.

Together with 565525603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (565525603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282762800 + 282762801.

It is an arithmetic number, because the mean of its divisors is an integer number (282762801).

Almost surely, 2^565525601 is an apocalyptic number.

It is an amenable number.

565525601 is a deficient number, since it is larger than the sum of its proper divisors (1).

565525601 is an equidigital number, since it uses as much as digits as its factorization.

565525601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 565525601 is about 23780.7821780529. The cubic root of 565525601 is about 826.9592130532.

The spelling of 565525601 in words is "five hundred sixty-five million, five hundred twenty-five thousand, six hundred one".