531514969 has 2 divisors, whose sum is σ = 531514970. Its totient is φ = 531514968.

The previous prime is 531514961. The next prime is 531515041. The reversal of 531514969 is 969415135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419430400 + 112084569 = 20480^2 + 10587^2 .

It is a cyclic number.

It is not a de Polignac number, because 531514969 - 2³ = 531514961 is a prime.

It is a super-2 number, since 2×531514969² = 565016324542141922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (531514961) 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, 265757484 + 265757485.

It is an arithmetic number, because the mean of its divisors is an integer number (265757485).

Almost surely, 2^531514969 is an apocalyptic number.

It is an amenable number.

531514969 is a deficient number, since it is larger than the sum of its proper divisors (1).

531514969 is an equidigital number, since it uses as much as digits as its factorization.

531514969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 531514969 is about 23054.6084113350. The cubic root of 531514969 is about 810.0375784019.

The spelling of 531514969 in words is "five hundred thirty-one million, five hundred fourteen thousand, nine hundred sixty-nine".