32231261 has 8 divisors (see below), whose sum is σ = 33213240. Its totient is φ = 31263232.

The previous prime is 32231219. The next prime is 32231263. The reversal of 32231261 is 16213223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 31696900 = 731^2 + 5630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32231261 - 2¹⁴ = 32214877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32231263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (4151655).

Almost surely, 2^32231261 is an apocalyptic number.

It is an amenable number.

32231261 is a deficient number, since it is larger than the sum of its proper divisors (981979).

32231261 is an equidigital number, since it uses as much as digits as its factorization.

32231261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

The product of its digits is 432, while the sum is 20.

The square root of 32231261 is about 5677.2582291102. The cubic root of 32231261 is about 318.2431752818.

Adding to 32231261 its reverse (16213223), we get a palindrome (48444484).

The spelling of 32231261 in words is "thirty-two million, two hundred thirty-one thousand, two hundred sixty-one".