32965981 has 2 divisors, whose sum is σ = 32965982. Its totient is φ = 32965980.

The previous prime is 32965963. The next prime is 32965991. The reversal of 32965981 is 18956923.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18020025 + 14945956 = 4245^2 + 3866^2 .

It is a cyclic number.

It is not a de Polignac number, because 32965981 - 2⁹ = 32965469 is a prime.

It is a super-2 number, since 2×32965981² = 2173511806584722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32965921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16482990 + 16482991.

It is an arithmetic number, because the mean of its divisors is an integer number (16482991).

Almost surely, 2^32965981 is an apocalyptic number.

It is an amenable number.

32965981 is a deficient number, since it is larger than the sum of its proper divisors (1).

32965981 is an equidigital number, since it uses as much as digits as its factorization.

32965981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 32965981 is about 5741.6009091542. The cubic root of 32965981 is about 320.6431758002.

The spelling of 32965981 in words is "thirty-two million, nine hundred sixty-five thousand, nine hundred eighty-one".