531302105 has 16 divisors (see below), whose sum is σ = 678514320. Its totient is φ = 397996032.

The previous prime is 531302099. The next prime is 531302113. The reversal of 531302105 is 501203135.

It can be written as a sum of positive squares in 8 ways, for example, as 209207296 + 322094809 = 14464^2 + 17947^2 .

It is a cyclic number.

It is not a de Polignac number, because 531302105 - 2⁶ = 531302041 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 881 + ... + 32609.

It is an arithmetic number, because the mean of its divisors is an integer number (42407145).

Almost surely, 2^531302105 is an apocalyptic number.

It is an amenable number.

531302105 is a deficient number, since it is larger than the sum of its proper divisors (147212215).

531302105 is a wasteful number, since it uses less digits than its factorization.

531302105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31948.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 531302105 is about 23049.9914316687. The cubic root of 531302105 is about 809.9294278809.

The spelling of 531302105 in words is "five hundred thirty-one million, three hundred two thousand, one hundred five".