531045029 has 2 divisors, whose sum is σ = 531045030. Its totient is φ = 531045028.

The previous prime is 531045023. The next prime is 531045083. The reversal of 531045029 is 920540135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506025025 + 25020004 = 22495^2 + 5002^2 .

It is a cyclic number.

It is not a de Polignac number, because 531045029 - 2¹² = 531040933 is a prime.

It is a super-2 number, since 2×531045029² = 564017645651221682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531044992 and 531045010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531045023) 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, 265522514 + 265522515.

It is an arithmetic number, because the mean of its divisors is an integer number (265522515).

Almost surely, 2^531045029 is an apocalyptic number.

It is an amenable number.

531045029 is a deficient number, since it is larger than the sum of its proper divisors (1).

531045029 is an equidigital number, since it uses as much as digits as its factorization.

531045029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 531045029 is about 23044.4142689720. The cubic root of 531045029 is about 809.7987759054.

The spelling of 531045029 in words is "five hundred thirty-one million, forty-five thousand, twenty-nine".