8010491 has 4 divisors (see below), whose sum is σ = 8024952. Its totient is φ = 7996032.

The previous prime is 8010487. The next prime is 8010503. The reversal of 8010491 is 1940108.

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 8010491 - 2² = 8010487 is a prime.

It is a super-2 number, since 2×8010491² = 128335932122162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8010421) 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, 6365 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (2006238).

Almost surely, 2^8010491 is an apocalyptic number.

8010491 is a deficient number, since it is larger than the sum of its proper divisors (14461).

8010491 is a wasteful number, since it uses less digits than its factorization.

8010491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8010491 is about 2830.2810814476. The cubic root of 8010491 is about 200.0873868122.

Adding to 8010491 its reverse (1940108), we get a palindrome (9950599).

The spelling of 8010491 in words is "eight million, ten thousand, four hundred ninety-one".