5639533 has 2 divisors, whose sum is σ = 5639534. Its totient is φ = 5639532.

The previous prime is 5639527. The next prime is 5639549. The reversal of 5639533 is 3359365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4380649 + 1258884 = 2093^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 5639533 - 2¹³ = 5631341 is a prime.

5639533 is a lucky number.

It is equal to p₃₈₉₇₂₅ and since 5639533 and 389725 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5639593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819766 + 2819767.

It is an arithmetic number, because the mean of its divisors is an integer number (2819767).

Almost surely, 2^5639533 is an apocalyptic number.

It is an amenable number.

5639533 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639533 is an equidigital number, since it uses as much as digits as its factorization.

5639533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 34.

The square root of 5639533 is about 2374.7700941354. The cubic root of 5639533 is about 177.9976959682.

The spelling of 5639533 in words is "five million, six hundred thirty-nine thousand, five hundred thirty-three".