5140405 has 4 divisors (see below), whose sum is σ = 6168492. Its totient is φ = 4112320.

The previous prime is 5140403. The next prime is 5140411. The reversal of 5140405 is 5040415.

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 3678724 + 1461681 = 1918^2 + 1209^2 .

It is not a de Polignac number, because 5140405 - 2¹ = 5140403 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 (5140403) 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, 514036 + ... + 514045.

It is an arithmetic number, because the mean of its divisors is an integer number (1542123).

Almost surely, 2^5140405 is an apocalyptic number.

It is an amenable number.

5140405 is a deficient number, since it is larger than the sum of its proper divisors (1028087).

5140405 is a wasteful number, since it uses less digits than its factorization.

5140405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028086.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5140405 is about 2267.2461269126. The cubic root of 5140405 is about 172.5834364967.

The spelling of 5140405 in words is "five million, one hundred forty thousand, four hundred five".