5638573 has 4 divisors (see below), whose sum is σ = 5935360. Its totient is φ = 5341788.

The previous prime is 5638537. The next prime is 5638601. The reversal of 5638573 is 3758365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5638573 - 2¹³ = 5630381 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638873) 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, 148365 + ... + 148402.

It is an arithmetic number, because the mean of its divisors is an integer number (1483840).

Almost surely, 2^5638573 is an apocalyptic number.

It is an amenable number.

5638573 is a deficient number, since it is larger than the sum of its proper divisors (296787).

5638573 is a wasteful number, since it uses less digits than its factorization.

5638573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296786.

The product of its digits is 75600, while the sum is 37.

The square root of 5638573 is about 2374.5679607036. The cubic root of 5638573 is about 177.9875953987.

The spelling of 5638573 in words is "five million, six hundred thirty-eight thousand, five hundred seventy-three".