32500161 has 6 divisors (see below), whose sum is σ = 46944690. Its totient is φ = 21666768.

The previous prime is 32500157. The next prime is 32500177. The reversal of 32500161 is 16100523.

32500161 is a `hidden beast` number, since 3 + 2 + 500 + 161 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31809600 + 690561 = 5640^2 + 831^2 .

It is not a de Polignac number, because 32500161 - 2² = 32500157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32500151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1805556 + ... + 1805573.

It is an arithmetic number, because the mean of its divisors is an integer number (7824115).

Almost surely, 2^32500161 is an apocalyptic number.

It is an amenable number.

32500161 is a deficient number, since it is larger than the sum of its proper divisors (14444529).

32500161 is a wasteful number, since it uses less digits than its factorization.

32500161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611135 (or 3611132 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 32500161 is about 5700.8912461123. The cubic root of 32500161 is about 319.1257419079.

Adding to 32500161 its reverse (16100523), we get a palindrome (48600684).

The spelling of 32500161 in words is "thirty-two million, five hundred thousand, one hundred sixty-one".