531028117 has 16 divisors (see below), whose sum is σ = 560851200. Its totient is φ = 501811200.

The previous prime is 531028111. The next prime is 531028123. The reversal of 531028117 is 711820135.

It is an interprime number because it is at equal distance from previous prime (531028111) and next prime (531028123).

It is a cyclic number.

It is not a de Polignac number, because 531028117 - 2⁷ = 531027989 is a prime.

It is a super-2 number, since 2×531028117² = 563981722089131378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531028111) 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 15 ways as a sum of consecutive naturals, for example, 828117 + ... + 828757.

It is an arithmetic number, because the mean of its divisors is an integer number (35053200).

Almost surely, 2^531028117 is an apocalyptic number.

It is an amenable number.

531028117 is a deficient number, since it is larger than the sum of its proper divisors (29823083).

531028117 is a wasteful number, since it uses less digits than its factorization.

531028117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 531028117 is about 23044.0473224649. The cubic root of 531028117 is about 809.7901793574.

The spelling of 531028117 in words is "five hundred thirty-one million, twenty-eight thousand, one hundred seventeen".