8100493 has 4 divisors (see below), whose sum is σ = 8298108. Its totient is φ = 7902880.

The previous prime is 8100487. The next prime is 8100511. The reversal of 8100493 is 3940018.

8100493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4088484 + 4012009 = 2022^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 8100493 - 2⁹ = 8099981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100413) 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, 98746 + ... + 98827.

It is an arithmetic number, because the mean of its divisors is an integer number (2074527).

Almost surely, 2^8100493 is an apocalyptic number.

It is an amenable number.

8100493 is a deficient number, since it is larger than the sum of its proper divisors (197615).

8100493 is a wasteful number, since it uses less digits than its factorization.

8100493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197614.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8100493 is about 2846.1365041052. The cubic root of 8100493 is about 200.8339593919.

The spelling of 8100493 in words is "eight million, one hundred thousand, four hundred ninety-three".