5436637 has 2 divisors, whose sum is σ = 5436638. Its totient is φ = 5436636.

The previous prime is 5436623. The next prime is 5436643. The reversal of 5436637 is 7366345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 1879641 = 1886^2 + 1371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5436637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5436647) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718318 + 2718319.

It is an arithmetic number, because the mean of its divisors is an integer number (2718319).

Almost surely, 2^5436637 is an apocalyptic number.

It is an amenable number.

5436637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436637 is an equidigital number, since it uses as much as digits as its factorization.

5436637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

The square root of 5436637 is about 2331.6597093058. The cubic root of 5436637 is about 175.8369379004.

The spelling of 5436637 in words is "five million, four hundred thirty-six thousand, six hundred thirty-seven".