534895561 has 2 divisors, whose sum is σ = 534895562. Its totient is φ = 534895560.

The previous prime is 534895549. The next prime is 534895577. The reversal of 534895561 is 165598435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527161600 + 7733961 = 22960^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 534895561 - 2⁷ = 534895433 is a prime.

It is a super-2 number, since 2×534895561² = 572226522355009442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (534895541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267447780 + 267447781.

It is an arithmetic number, because the mean of its divisors is an integer number (267447781).

Almost surely, 2^534895561 is an apocalyptic number.

It is an amenable number.

534895561 is a deficient number, since it is larger than the sum of its proper divisors (1).

534895561 is an equidigital number, since it uses as much as digits as its factorization.

534895561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 46.

The square root of 534895561 is about 23127.8092563909. The cubic root of 534895561 is about 811.7513095624.

The spelling of 534895561 in words is "five hundred thirty-four million, eight hundred ninety-five thousand, five hundred sixty-one".