5281405 has 4 divisors (see below), whose sum is σ = 6337692. Its totient is φ = 4225120.

The previous prime is 5281403. The next prime is 5281429. The reversal of 5281405 is 5041825.

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 3523129 + 1758276 = 1877^2 + 1326^2 .

It is not a de Polignac number, because 5281405 - 2¹ = 5281403 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5281405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281403) 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, 528136 + ... + 528145.

It is an arithmetic number, because the mean of its divisors is an integer number (1584423).

Almost surely, 2^5281405 is an apocalyptic number.

It is an amenable number.

5281405 is a deficient number, since it is larger than the sum of its proper divisors (1056287).

5281405 is a wasteful number, since it uses less digits than its factorization.

5281405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056286.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5281405 is about 2298.1307621630. The cubic root of 5281405 is about 174.1471978523.

The spelling of 5281405 in words is "five million, two hundred eighty-one thousand, four hundred five".