32045861 has 2 divisors, whose sum is σ = 32045862. Its totient is φ = 32045860.

The previous prime is 32045857. The next prime is 32045863. The reversal of 32045861 is 16854023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22743361 + 9302500 = 4769^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 32045861 - 2² = 32045857 is a prime.

It is a Sophie Germain prime.

Together with 32045863, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32045863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16022930 + 16022931.

It is an arithmetic number, because the mean of its divisors is an integer number (16022931).

Almost surely, 2^32045861 is an apocalyptic number.

It is an amenable number.

32045861 is a deficient number, since it is larger than the sum of its proper divisors (1).

32045861 is an equidigital number, since it uses as much as digits as its factorization.

32045861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 32045861 is about 5660.9063761910. The cubic root of 32045861 is about 317.6318042467.

Adding to 32045861 its reverse (16854023), we get a palindrome (48899884).

The spelling of 32045861 in words is "thirty-two million, forty-five thousand, eight hundred sixty-one".