32240261 has 4 divisors (see below), whose sum is σ = 32926272. Its totient is φ = 31554252.

The previous prime is 32240251. The next prime is 32240267. The reversal of 32240261 is 16204223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32240261 - 2¹⁰ = 32239237 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 (32240267) 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, 342935 + ... + 343028.

It is an arithmetic number, because the mean of its divisors is an integer number (8231568).

Almost surely, 2^32240261 is an apocalyptic number.

It is an amenable number.

32240261 is a deficient number, since it is larger than the sum of its proper divisors (686011).

32240261 is an equidigital number, since it uses as much as digits as its factorization.

32240261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686010.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 32240261 is about 5678.0508099171. The cubic root of 32240261 is about 318.2727937530.

Adding to 32240261 its reverse (16204223), we get a palindrome (48444484).

The spelling of 32240261 in words is "thirty-two million, two hundred forty thousand, two hundred sixty-one".