5169391 has 4 divisors (see below), whose sum is σ = 5208984. Its totient is φ = 5129800.

The previous prime is 5169383. The next prime is 5169397. The reversal of 5169391 is 1939615.

5169391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5169391 - 2³ = 5169383 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 (5169397) 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, 19600 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (1302246).

Almost surely, 2^5169391 is an apocalyptic number.

5169391 is a deficient number, since it is larger than the sum of its proper divisors (39593).

5169391 is a wasteful number, since it uses less digits than its factorization.

5169391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39592.

The product of its digits is 7290, while the sum is 34.

The square root of 5169391 is about 2273.6294772896. The cubic root of 5169391 is about 172.9072196771.

The spelling of 5169391 in words is "five million, one hundred sixty-nine thousand, three hundred ninety-one".