32116261 has 2 divisors, whose sum is σ = 32116262. Its totient is φ = 32116260.

The previous prime is 32116223. The next prime is 32116267. The reversal of 32116261 is 16261123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31013761 + 1102500 = 5569^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 32116261 - 2⁹ = 32115749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32116267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16058130 + 16058131.

It is an arithmetic number, because the mean of its divisors is an integer number (16058131).

Almost surely, 2^32116261 is an apocalyptic number.

It is an amenable number.

32116261 is a deficient number, since it is larger than the sum of its proper divisors (1).

32116261 is an equidigital number, since it uses as much as digits as its factorization.

32116261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 32116261 is about 5667.1210504100. The cubic root of 32116261 is about 317.8642307700.

Adding to 32116261 its reverse (16261123), we get a palindrome (48377384).

The spelling of 32116261 in words is "thirty-two million, one hundred sixteen thousand, two hundred sixty-one".