32540091 has 32 divisors (see below), whose sum is σ = 47589120. Its totient is φ = 19700736.

The previous prime is 32540087. The next prime is 32540113. The reversal of 32540091 is 19004523.

It is not a de Polignac number, because 32540091 - 2² = 32540087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32540041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304060 + ... + 304166.

It is an arithmetic number, because the mean of its divisors is an integer number (1487160).

Almost surely, 2^32540091 is an apocalyptic number.

32540091 is a deficient number, since it is larger than the sum of its proper divisors (15049029).

32540091 is a wasteful number, since it uses less digits than its factorization.

32540091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 32540091 is about 5704.3922550961. The cubic root of 32540091 is about 319.2563820385.

The spelling of 32540091 in words is "thirty-two million, five hundred forty thousand, ninety-one".