32620661 has 2 divisors, whose sum is σ = 32620662. Its totient is φ = 32620660.

The previous prime is 32620633. The next prime is 32620673. The reversal of 32620661 is 16602623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29268100 + 3352561 = 5410^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 32620661 - 2⁶ = 32620597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32620661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32620631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16310330 + 16310331.

It is an arithmetic number, because the mean of its divisors is an integer number (16310331).

Almost surely, 2^32620661 is an apocalyptic number.

It is an amenable number.

32620661 is a deficient number, since it is larger than the sum of its proper divisors (1).

32620661 is an equidigital number, since it uses as much as digits as its factorization.

32620661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 32620661 is about 5711.4499910268. The cubic root of 32620661 is about 319.5196602004.

The spelling of 32620661 in words is "thirty-two million, six hundred twenty thousand, six hundred sixty-one".