32101009 has 4 divisors (see below), whose sum is σ = 32155200. Its totient is φ = 32046820.

The previous prime is 32100989. The next prime is 32101021. The reversal of 32101009 is 90010123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32101009 - 2⁵ = 32100977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32100983 and 32101001.

It is not an unprimeable number, because it can be changed into a prime (32101039) 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 in 3 ways as a sum of consecutive naturals, for example, 26197 + ... + 27394.

It is an arithmetic number, because the mean of its divisors is an integer number (8038800).

Almost surely, 2^32101009 is an apocalyptic number.

It is an amenable number.

32101009 is a deficient number, since it is larger than the sum of its proper divisors (54191).

32101009 is an equidigital number, since it uses as much as digits as its factorization.

32101009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54190.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 32101009 is about 5665.7752338052. The cubic root of 32101009 is about 317.8139049356.

It can be divided in two parts, 3 and 2101009, that added together give a palindrome (2101012).

The spelling of 32101009 in words is "thirty-two million, one hundred one thousand, nine".