531214669 has 2 divisors, whose sum is σ = 531214670. Its totient is φ = 531214668.

The previous prime is 531214627. The next prime is 531214679. The reversal of 531214669 is 966412135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503778025 + 27436644 = 22445^2 + 5238^2 .

It is a cyclic number.

It is not a de Polignac number, because 531214669 - 2¹⁵ = 531181901 is a prime.

It is a super-2 number, since 2×531214669² = 564378049121559122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531214679) 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, 265607334 + 265607335.

It is an arithmetic number, because the mean of its divisors is an integer number (265607335).

Almost surely, 2^531214669 is an apocalyptic number.

It is an amenable number.

531214669 is a deficient number, since it is larger than the sum of its proper divisors (1).

531214669 is an equidigital number, since it uses as much as digits as its factorization.

531214669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 531214669 is about 23048.0946934882. The cubic root of 531214669 is about 809.8849956116.

The spelling of 531214669 in words is "five hundred thirty-one million, two hundred fourteen thousand, six hundred sixty-nine".