32105149 has 2 divisors, whose sum is σ = 32105150. Its totient is φ = 32105148.

The previous prime is 32105141. The next prime is 32105153. The reversal of 32105149 is 94150123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 1932100 = 5493^2 + 1390^2 .

It is an emirp because it is prime and its reverse (94150123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32105149 - 2³ = 32105141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32105141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16052574 + 16052575.

It is an arithmetic number, because the mean of its divisors is an integer number (16052575).

Almost surely, 2^32105149 is an apocalyptic number.

It is an amenable number.

32105149 is a deficient number, since it is larger than the sum of its proper divisors (1).

32105149 is an equidigital number, since it uses as much as digits as its factorization.

32105149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 32105149 is about 5666.1405736180. The cubic root of 32105149 is about 317.8275669465.

The spelling of 32105149 in words is "thirty-two million, one hundred five thousand, one hundred forty-nine".