32800561 has 2 divisors, whose sum is σ = 32800562. Its totient is φ = 32800560.

The previous prime is 32800541. The next prime is 32800613. The reversal of 32800561 is 16500823.

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., 21678336 + 11122225 = 4656^2 + 3335^2 .

It is a cyclic number.

It is not a de Polignac number, because 32800561 - 2⁹ = 32800049 is a prime.

It is not a weakly prime, because it can be changed into another prime (32800541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16400280 + 16400281.

It is an arithmetic number, because the mean of its divisors is an integer number (16400281).

Almost surely, 2^32800561 is an apocalyptic number.

It is an amenable number.

32800561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32800561 is an equidigital number, since it uses as much as digits as its factorization.

32800561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 32800561 is about 5727.1774025256. The cubic root of 32800561 is about 320.1059577502.

The spelling of 32800561 in words is "thirty-two million, eight hundred thousand, five hundred sixty-one".