1232531 has 2 divisors, whose sum is σ = 1232532. Its totient is φ = 1232530.

The previous prime is 1232527. The next prime is 1232537. The reversal of 1232531 is 1352321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232531 - 2² = 1232527 is a prime.

It is a super-2 number, since 2×1232531² = 3038265331922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1232537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616265 + 616266.

It is an arithmetic number, because the mean of its divisors is an integer number (616266).

2^1232531 is an apocalyptic number.

1232531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232531 is an equidigital number, since it uses as much as digits as its factorization.

1232531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1232531 is about 1110.1941271688. The cubic root of 1232531 is about 107.2175676173.

Adding to 1232531 its reverse (1352321), we get a palindrome (2584852).

The spelling of 1232531 in words is "one million, two hundred thirty-two thousand, five hundred thirty-one".