32132281 has 2 divisors, whose sum is σ = 32132282. Its totient is φ = 32132280.

The previous prime is 32132279. The next prime is 32132323. The reversal of 32132281 is 18223123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 266256 = 5645^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 32132281 - 2¹ = 32132279 is a prime.

It is a super-2 number, since 2×32132281² = 2064966964525922, which contains 22 as substring.

Together with 32132279, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32132231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16066140 + 16066141.

It is an arithmetic number, because the mean of its divisors is an integer number (16066141).

Almost surely, 2^32132281 is an apocalyptic number.

It is an amenable number.

32132281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32132281 is an equidigital number, since it uses as much as digits as its factorization.

32132281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 32132281 is about 5668.5342902729. The cubic root of 32132281 is about 317.9170735602.

The spelling of 32132281 in words is "thirty-two million, one hundred thirty-two thousand, two hundred eighty-one".