534581657 has 4 divisors (see below), whose sum is σ = 547620276. Its totient is φ = 521543040.

The previous prime is 534581653. The next prime is 534581659. The reversal of 534581657 is 756185435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 756185435 = 5 ⋅151237087.

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 524822281 = 3124^2 + 22909^2 .

It is a cyclic number.

It is not a de Polignac number, because 534581657 - 2² = 534581653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534581653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6519248 + ... + 6519329.

It is an arithmetic number, because the mean of its divisors is an integer number (136905069).

Almost surely, 2^534581657 is an apocalyptic number.

It is an amenable number.

534581657 is a deficient number, since it is larger than the sum of its proper divisors (13038619).

534581657 is a wasteful number, since it uses less digits than its factorization.

534581657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13038618.

The product of its digits is 504000, while the sum is 44.

The square root of 534581657 is about 23121.0219713576. The cubic root of 534581657 is about 811.5924861312.

The spelling of 534581657 in words is "five hundred thirty-four million, five hundred eighty-one thousand, six hundred fifty-seven".