5381609 has 4 divisors (see below), whose sum is σ = 5615616. Its totient is φ = 5147604.

The previous prime is 5381599. The next prime is 5381627. The reversal of 5381609 is 9061835.

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 5381609 - 2⁸ = 5381353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5381669) 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, 116969 + ... + 117014.

It is an arithmetic number, because the mean of its divisors is an integer number (1403904).

Almost surely, 2^5381609 is an apocalyptic number.

It is an amenable number.

5381609 is a deficient number, since it is larger than the sum of its proper divisors (234007).

5381609 is a wasteful number, since it uses less digits than its factorization.

5381609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234006.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5381609 is about 2319.8295195984. The cubic root of 5381609 is about 175.2416688313.

The spelling of 5381609 in words is "five million, three hundred eighty-one thousand, six hundred nine".