565254452557 has 2 divisors, whose sum is σ = 565254452558. Its totient is φ = 565254452556.

The previous prime is 565254452537. The next prime is 565254452591. The reversal of 565254452557 is 755254452565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414857080836 + 150397371721 = 644094^2 + 387811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565254452557 is a prime.

It is a super-2 number, since 2×565254452557² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 565254452498 and 565254452507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565254452537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282627226278 + 282627226279.

It is an arithmetic number, because the mean of its divisors is an integer number (282627226279).

Almost surely, 2^565254452557 is an apocalyptic number.

It is an amenable number.

565254452557 is a deficient number, since it is larger than the sum of its proper divisors (1).

565254452557 is an equidigital number, since it uses as much as digits as its factorization.

565254452557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000000, while the sum is 55.

The spelling of 565254452557 in words is "five hundred sixty-five billion, two hundred fifty-four million, four hundred fifty-two thousand, five hundred fifty-seven".