32561099 has 2 divisors, whose sum is σ = 32561100. Its totient is φ = 32561098.

The previous prime is 32561071. The next prime is 32561143. The reversal of 32561099 is 99016523.

It is a weak prime.

It is an emirp because it is prime and its reverse (99016523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32561099 - 2¹⁶ = 32495563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32561059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16280549 + 16280550.

It is an arithmetic number, because the mean of its divisors is an integer number (16280550).

Almost surely, 2^32561099 is an apocalyptic number.

32561099 is a deficient number, since it is larger than the sum of its proper divisors (1).

32561099 is an equidigital number, since it uses as much as digits as its factorization.

32561099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 32561099 is about 5706.2333460874. The cubic root of 32561099 is about 319.3250716154.

The spelling of 32561099 in words is "thirty-two million, five hundred sixty-one thousand, ninety-nine".