531253343 has 2 divisors, whose sum is σ = 531253344. Its totient is φ = 531253342.

The previous prime is 531253337. The next prime is 531253381. The reversal of 531253343 is 343352135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531253343 - 2⁶ = 531253279 is a prime.

It is a super-2 number, since 2×531253343² = 564460228897351298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531253313) 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, 265626671 + 265626672.

It is an arithmetic number, because the mean of its divisors is an integer number (265626672).

Almost surely, 2^531253343 is an apocalyptic number.

531253343 is a deficient number, since it is larger than the sum of its proper divisors (1).

531253343 is an equidigital number, since it uses as much as digits as its factorization.

531253343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 29.

The square root of 531253343 is about 23048.9336629702. The cubic root of 531253343 is about 809.9046491428.

The spelling of 531253343 in words is "five hundred thirty-one million, two hundred fifty-three thousand, three hundred forty-three".