5639273 has 2 divisors, whose sum is σ = 5639274. Its totient is φ = 5639272.

The previous prime is 5639261. The next prime is 5639287. The reversal of 5639273 is 3729365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 851929 = 2188^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 5639273 - 2¹⁴ = 5622889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5639213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819636 + 2819637.

It is an arithmetic number, because the mean of its divisors is an integer number (2819637).

Almost surely, 2^5639273 is an apocalyptic number.

It is an amenable number.

5639273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639273 is an equidigital number, since it uses as much as digits as its factorization.

5639273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 35.

The square root of 5639273 is about 2374.7153513632. The cubic root of 5639273 is about 177.9949605104.

It can be divided in two parts, 56392 and 73, that added together give a palindrome (56465).

The spelling of 5639273 in words is "five million, six hundred thirty-nine thousand, two hundred seventy-three".