32555491 has 2 divisors, whose sum is σ = 32555492. Its totient is φ = 32555490.

The previous prime is 32555483. The next prime is 32555503. The reversal of 32555491 is 19455523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32555491 - 2³ = 32555483 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (32555461) 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, 16277745 + 16277746.

It is an arithmetic number, because the mean of its divisors is an integer number (16277746).

Almost surely, 2^32555491 is an apocalyptic number.

32555491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32555491 is an equidigital number, since it uses as much as digits as its factorization.

32555491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 32555491 is about 5705.7419324747. The cubic root of 32555491 is about 319.3067381042.

The spelling of 32555491 in words is "thirty-two million, five hundred fifty-five thousand, four hundred ninety-one".