5437609 has 2 divisors, whose sum is σ = 5437610. Its totient is φ = 5437608.

The previous prime is 5437589. The next prime is 5437613. The reversal of 5437609 is 9067345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 275625 = 2272^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5437609 - 2⁵ = 5437577 is a prime.

It is not a weakly prime, because it can be changed into another prime (5437639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718804 + 2718805.

It is an arithmetic number, because the mean of its divisors is an integer number (2718805).

Almost surely, 2^5437609 is an apocalyptic number.

It is an amenable number.

5437609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5437609 is an equidigital number, since it uses as much as digits as its factorization.

5437609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 5437609 is about 2331.8681352083. The cubic root of 5437609 is about 175.8474163953.

Subtracting from 5437609 its product of nonzero digits (22680), we obtain a square (5414929 = 2327²).

It can be divided in two parts, 5437 and 609, that multiplied together give a palindrome (3311133).

The spelling of 5437609 in words is "five million, four hundred thirty-seven thousand, six hundred nine".