5381905 has 4 divisors (see below), whose sum is σ = 6458292. Its totient is φ = 4305520.

The previous prime is 5381899. The next prime is 5381917. The reversal of 5381905 is 5091835.

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 3932289 + 1449616 = 1983^2 + 1204^2 .

It is not a de Polignac number, because 5381905 - 2⁷ = 5381777 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

5381905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538186 + ... + 538195.

It is an arithmetic number, because the mean of its divisors is an integer number (1614573).

Almost surely, 2^5381905 is an apocalyptic number.

It is an amenable number.

5381905 is a deficient number, since it is larger than the sum of its proper divisors (1076387).

5381905 is a wasteful number, since it uses less digits than its factorization.

5381905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076386.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5381905 is about 2319.8933165126. The cubic root of 5381905 is about 175.2448816612.

The spelling of 5381905 in words is "five million, three hundred eighty-one thousand, nine hundred five".