1043531 has 2 divisors, whose sum is σ = 1043532. Its totient is φ = 1043530.

The previous prime is 1043521. The next prime is 1043543. The reversal of 1043531 is 1353401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043531 - 2⁶ = 1043467 is a prime.

It is a super-2 number, since 2×1043531² = 2177913895922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1043501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521765 + 521766.

It is an arithmetic number, because the mean of its divisors is an integer number (521766).

2^1043531 is an apocalyptic number.

1043531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043531 is an equidigital number, since it uses as much as digits as its factorization.

1043531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1043531 is about 1021.5336509386. The cubic root of 1043531 is about 101.4304732264.

Adding to 1043531 its reverse (1353401), we get a palindrome (2396932).

The spelling of 1043531 in words is "one million, forty-three thousand, five hundred thirty-one".