32689901 has 2 divisors, whose sum is σ = 32689902. Its totient is φ = 32689900.

The previous prime is 32689889. The next prime is 32689939. The reversal of 32689901 is 10998623.

It is an a-pointer prime, because the next prime (32689939) can be obtained adding 32689901 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17682025 + 15007876 = 4205^2 + 3874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32689901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32689001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16344950 + 16344951.

It is an arithmetic number, because the mean of its divisors is an integer number (16344951).

Almost surely, 2^32689901 is an apocalyptic number.

It is an amenable number.

32689901 is a deficient number, since it is larger than the sum of its proper divisors (1).

32689901 is an equidigital number, since it uses as much as digits as its factorization.

32689901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 32689901 is about 5717.5082859581. The cubic root of 32689901 is about 319.7455692411.

The spelling of 32689901 in words is "thirty-two million, six hundred eighty-nine thousand, nine hundred one".