32375491 has 4 divisors (see below), whose sum is σ = 32420752. Its totient is φ = 32330232.

The previous prime is 32375479. The next prime is 32375521. The reversal of 32375491 is 19457323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19457323 = 1951 ⋅9973.

It is a cyclic number.

It is not a de Polignac number, because 32375491 - 2⁵ = 32375459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32375401) 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, 21540 + ... + 22993.

It is an arithmetic number, because the mean of its divisors is an integer number (8105188).

Almost surely, 2^32375491 is an apocalyptic number.

32375491 is a deficient number, since it is larger than the sum of its proper divisors (45261).

32375491 is an equidigital number, since it uses as much as digits as its factorization.

32375491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45260.

The product of its digits is 22680, while the sum is 34.

The square root of 32375491 is about 5689.9464848099. The cubic root of 32375491 is about 318.7171656041.

The spelling of 32375491 in words is "thirty-two million, three hundred seventy-five thousand, four hundred ninety-one".