531690007 has 2 divisors, whose sum is σ = 531690008. Its totient is φ = 531690006.

The previous prime is 531689999. The next prime is 531690041. The reversal of 531690007 is 700096135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531690007 - 2³ = 531689999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531390007) 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 as a sum of consecutive naturals, namely, 265845003 + 265845004.

It is an arithmetic number, because the mean of its divisors is an integer number (265845004).

Almost surely, 2^531690007 is an apocalyptic number.

531690007 is a deficient number, since it is larger than the sum of its proper divisors (1).

531690007 is an equidigital number, since it uses as much as digits as its factorization.

531690007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 531690007 is about 23058.4042596187. The cubic root of 531690007 is about 810.1264889089.

The spelling of 531690007 in words is "five hundred thirty-one million, six hundred ninety thousand, seven".