5437 has 2 divisors, whose sum is σ = 5438.
Its totient is φ = 5436.
The previous prime is 5431. The next prime is 5441. The reversal of 5437 is 7345.
It can be divided in two parts, 54 and 37, that added together give a triangular number (91 = T13).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4761 + 676 = 69^2 + 26^2
It is a cyclic number.
It is not a de Polignac number, because 5437 - 27 = 5309 is a prime.
It is a nialpdrome in base 9.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718 + 2719.
It is an arithmetic number, because the mean of its divisors is an integer number (2719).
It is an amenable number.
5437 is a deficient number, since it is larger than the sum of its proper divisors (1).
5437 is an equidigital number, since it uses as much as digits as its factorization.
5437 is an evil number, because the sum of its binary digits is even.
The product of its digits is 420, while the sum is 19.
The square root of 5437 is about 73.7360156233.
The cubic root of 5437 is about 17.5840851312.
The spelling of 5437 in words is "five thousand, four hundred thirty-seven".