5291409 has 4 divisors (see below), whose sum is σ = 7055216. Its totient is φ = 3527604.

The previous prime is 5291399. The next prime is 5291411. The reversal of 5291409 is 9041925.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5291409 - 2⁴ = 5291393 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5291479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881899 + ... + 881904.

It is an arithmetic number, because the mean of its divisors is an integer number (1763804).

Almost surely, 2^5291409 is an apocalyptic number.

It is an amenable number.

5291409 is a deficient number, since it is larger than the sum of its proper divisors (1763807).

5291409 is a wasteful number, since it uses less digits than its factorization.

5291409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763806.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5291409 is about 2300.3062839544. The cubic root of 5291409 is about 174.2570846294.

The spelling of 5291409 in words is "five million, two hundred ninety-one thousand, four hundred nine".