5321609 has 4 divisors (see below), whose sum is σ = 5401104. Its totient is φ = 5242116.

The previous prime is 5321597. The next prime is 5321611. The reversal of 5321609 is 9061235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5321609 - 2⁴ = 5321593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5321639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39647 + ... + 39780.

It is an arithmetic number, because the mean of its divisors is an integer number (1350276).

Almost surely, 2^5321609 is an apocalyptic number.

It is an amenable number.

5321609 is a deficient number, since it is larger than the sum of its proper divisors (79495).

5321609 is an equidigital number, since it uses as much as digits as its factorization.

5321609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79494.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 5321609 is about 2306.8612875507. The cubic root of 5321609 is about 174.5879721611.

The spelling of 5321609 in words is "five million, three hundred twenty-one thousand, six hundred nine".