5425491 has 4 divisors (see below), whose sum is σ = 7233992. Its totient is φ = 3616992.

The previous prime is 5425477. The next prime is 5425513. The reversal of 5425491 is 1945245.

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

It is not a de Polignac number, because 5425491 - 2¹¹ = 5423443 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 (5425411) 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, 904246 + ... + 904251.

It is an arithmetic number, because the mean of its divisors is an integer number (1808498).

Almost surely, 2^5425491 is an apocalyptic number.

5425491 is a deficient number, since it is larger than the sum of its proper divisors (1808501).

5425491 is a wasteful number, since it uses less digits than its factorization.

5425491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808500.

The product of its digits is 7200, while the sum is 30.

The square root of 5425491 is about 2329.2683400587. The cubic root of 5425491 is about 175.7166908068.

It can be divided in two parts, 54254 and 91, that added together give a palindrome (54345).

The spelling of 5425491 in words is "five million, four hundred twenty-five thousand, four hundred ninety-one".