5423491 has 4 divisors (see below), whose sum is σ = 5428984. Its totient is φ = 5418000.

The previous prime is 5423489. The next prime is 5423503. The reversal of 5423491 is 1943245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5423491 - 2¹ = 5423489 is a prime.

It is a Duffinian number.

5423491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5423401) 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, 810 + ... + 3391.

It is an arithmetic number, because the mean of its divisors is an integer number (1357246).

Almost surely, 2^5423491 is an apocalyptic number.

5423491 is a deficient number, since it is larger than the sum of its proper divisors (5493).

5423491 is a wasteful number, since it uses less digits than its factorization.

5423491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its digits is 4320, while the sum is 28.

The square root of 5423491 is about 2328.8389811234. The cubic root of 5423491 is about 175.6950966584.

The spelling of 5423491 in words is "five million, four hundred twenty-three thousand, four hundred ninety-one".