32053981 has 2 divisors, whose sum is σ = 32053982. Its totient is φ = 32053980.

The previous prime is 32053979. The next prime is 32053999. The reversal of 32053981 is 18935023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 749956 = 5595^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 32053981 - 2¹ = 32053979 is a prime.

It is a super-2 number, since 2×32053981² = 2054915395896722, which contains 22 as substring.

Together with 32053979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32053781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16026990 + 16026991.

It is an arithmetic number, because the mean of its divisors is an integer number (16026991).

Almost surely, 2^32053981 is an apocalyptic number.

It is an amenable number.

32053981 is a deficient number, since it is larger than the sum of its proper divisors (1).

32053981 is an equidigital number, since it uses as much as digits as its factorization.

32053981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 32053981 is about 5661.6235304019. The cubic root of 32053981 is about 317.6586298893.

The spelling of 32053981 in words is "thirty-two million, fifty-three thousand, nine hundred eighty-one".