5005405 has 4 divisors (see below), whose sum is σ = 6006492. Its totient is φ = 4004320.

The previous prime is 5005381. The next prime is 5005411. The reversal of 5005405 is 5045005.

It is a happy number.

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 2377764 + 2627641 = 1542^2 + 1621^2 .

It is not a de Polignac number, because 5005405 - 2⁹ = 5004893 is a prime.

It is a Duffinian number.

5005405 is a lucky number.

It is a congruent 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, 500536 + ... + 500545.

It is an arithmetic number, because the mean of its divisors is an integer number (1501623).

Almost surely, 2^5005405 is an apocalyptic number.

It is an amenable number.

5005405 is a deficient number, since it is larger than the sum of its proper divisors (1001087).

5005405 is a wasteful number, since it uses less digits than its factorization.

5005405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001086.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 5005405 is about 2237.2762457953. The cubic root of 5005405 is about 171.0591886119.

The spelling of 5005405 in words is "five million, five thousand, four hundred five".