5641023 has 4 divisors (see below), whose sum is σ = 7521368. Its totient is φ = 3760680.

The previous prime is 5641019. The next prime is 5641033. The reversal of 5641023 is 3201465.

It is a happy number.

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

It is not a de Polignac number, because 5641023 - 2² = 5641019 is a prime.

It is a super-2 number, since 2×5641023² = 63642280973058, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940168 + ... + 940173.

It is an arithmetic number, because the mean of its divisors is an integer number (1880342).

Almost surely, 2^5641023 is an apocalyptic number.

5641023 is a deficient number, since it is larger than the sum of its proper divisors (1880345).

5641023 is a wasteful number, since it uses less digits than its factorization.

5641023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880344.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5641023 is about 2375.0837879957. The cubic root of 5641023 is about 178.0133706238.

Adding to 5641023 its reverse (3201465), we get a palindrome (8842488).

The spelling of 5641023 in words is "five million, six hundred forty-one thousand, twenty-three".