5423971 has 4 divisors (see below), whose sum is σ = 6198832. Its totient is φ = 4649112.

The previous prime is 5423963. The next prime is 5423981. The reversal of 5423971 is 1793245.

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 5423971 - 2³ = 5423963 is a prime.

It is a super-2 number, since 2×5423971² = 58838922817682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423921) 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, 387420 + ... + 387433.

It is an arithmetic number, because the mean of its divisors is an integer number (1549708).

Almost surely, 2^5423971 is an apocalyptic number.

5423971 is a deficient number, since it is larger than the sum of its proper divisors (774861).

5423971 is an equidigital number, since it uses as much as digits as its factorization.

5423971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774860.

The product of its digits is 7560, while the sum is 31.

The square root of 5423971 is about 2328.9420344869. The cubic root of 5423971 is about 175.7002797381.

It can be divided in two parts, 54 and 23971, that added together give a square (24025 = 155²).

The spelling of 5423971 in words is "five million, four hundred twenty-three thousand, nine hundred seventy-one".