8375491 has 2 divisors, whose sum is σ = 8375492. Its totient is φ = 8375490.

The previous prime is 8375489. The next prime is 8375513. The reversal of 8375491 is 1945738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8375491 - 2¹ = 8375489 is a prime.

Together with 8375489, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8375491.

It is not a weakly prime, because it can be changed into another prime (8375401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4187745 + 4187746.

It is an arithmetic number, because the mean of its divisors is an integer number (4187746).

Almost surely, 2^8375491 is an apocalyptic number.

8375491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8375491 is an equidigital number, since it uses as much as digits as its factorization.

8375491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 8375491 is about 2894.0440563336. The cubic root of 8375491 is about 203.0813735420.

It can be divided in two parts, 83754 and 91, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 8375491 in words is "eight million, three hundred seventy-five thousand, four hundred ninety-one".