375491 has 4 divisors (see below), whose sum is σ = 379800. Its totient is φ = 371184.

The previous prime is 375481. The next prime is 375509. The reversal of 375491 is 194573.

375491 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194573 = 179 ⋅1087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (94950).

2³⁷⁵⁴⁹¹ is an apocalyptic number.

375491 is a deficient number, since it is larger than the sum of its proper divisors (4309).

375491 is an equidigital number, since it uses as much as digits as its factorization.

375491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308.

The product of its digits is 3780, while the sum is 29.

The square root of 375491 is about 612.7732043750. The cubic root of 375491 is about 72.1439378797.

The spelling of 375491 in words is "three hundred seventy-five thousand, four hundred ninety-one".