531322417 has 2 divisors, whose sum is σ = 531322418. Its totient is φ = 531322416.

The previous prime is 531322399. The next prime is 531322439. The reversal of 531322417 is 714223135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497111616 + 34210801 = 22296^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 531322417 - 2¹¹ = 531320369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (531322457) 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, 265661208 + 265661209.

It is an arithmetic number, because the mean of its divisors is an integer number (265661209).

Almost surely, 2^531322417 is an apocalyptic number.

It is an amenable number.

531322417 is a deficient number, since it is larger than the sum of its proper divisors (1).

531322417 is an equidigital number, since it uses as much as digits as its factorization.

531322417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 531322417 is about 23050.4320349967. The cubic root of 531322417 is about 809.9397491129.

It can be divided in two parts, 5313 and 22417, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 531322417 in words is "five hundred thirty-one million, three hundred twenty-two thousand, four hundred seventeen".