32545091 has 4 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 32531784.

The previous prime is 32545061. The next prime is 32545141. The reversal of 32545091 is 19054523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32545091 - 2¹⁸ = 32282947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32545061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (8139600).

Almost surely, 2^32545091 is an apocalyptic number.

32545091 is a deficient number, since it is larger than the sum of its proper divisors (13309).

32545091 is a wasteful number, since it uses less digits than its factorization.

32545091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 32545091 is about 5704.8304970437. The cubic root of 32545091 is about 319.2727331519.

The spelling of 32545091 in words is "thirty-two million, five hundred forty-five thousand, ninety-one".