531966629 has 2 divisors, whose sum is σ = 531966630. Its totient is φ = 531966628.

The previous prime is 531966583. The next prime is 531966641. The reversal of 531966629 is 926669135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496086529 + 35880100 = 22273^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 531966629 - 2²⁴ = 515189413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531968629) 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, 265983314 + 265983315.

It is an arithmetic number, because the mean of its divisors is an integer number (265983315).

Almost surely, 2^531966629 is an apocalyptic number.

It is an amenable number.

531966629 is a deficient number, since it is larger than the sum of its proper divisors (1).

531966629 is an equidigital number, since it uses as much as digits as its factorization.

531966629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 47.

The square root of 531966629 is about 23064.4017698270. The cubic root of 531966629 is about 810.2669592042.

The spelling of 531966629 in words is "five hundred thirty-one million, nine hundred sixty-six thousand, six hundred twenty-nine".