4232531 has 4 divisors (see below), whose sum is σ = 4254000. Its totient is φ = 4211064.

The previous prime is 4232519. The next prime is 4232537. The reversal of 4232531 is 1352324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4232531 is a prime.

It is a super-2 number, since 2×4232531² = 35828637331922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4232537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10436 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (1063500).

Almost surely, 2^4232531 is an apocalyptic number.

4232531 is a deficient number, since it is larger than the sum of its proper divisors (21469).

4232531 is a wasteful number, since it uses less digits than its factorization.

4232531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21468.

The product of its digits is 720, while the sum is 20.

The square root of 4232531 is about 2057.3115952621. The cubic root of 4232531 is about 161.7583528291.

Adding to 4232531 its reverse (1352324), we get a palindrome (5584855).

The spelling of 4232531 in words is "four million, two hundred thirty-two thousand, five hundred thirty-one".