32493231 has 12 divisors (see below), whose sum is σ = 48673352. Its totient is φ = 21661992.

The previous prime is 32493229. The next prime is 32493257. The reversal of 32493231 is 13239423.

It is a happy number.

It is not a de Polignac number, because 32493231 - 2¹ = 32493229 is a prime.

It is a super-2 number, since 2×32493231² = 2111620121638722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32493195 and 32493204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32493271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66616 + ... + 67101.

Almost surely, 2^32493231 is an apocalyptic number.

32493231 is a deficient number, since it is larger than the sum of its proper divisors (16180121).

32493231 is an equidigital number, since it uses as much as digits as its factorization.

32493231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133732 (or 133720 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 32493231 is about 5700.2834140067. The cubic root of 32493231 is about 319.1030579320.

The spelling of 32493231 in words is "thirty-two million, four hundred ninety-three thousand, two hundred thirty-one".