5479609 has 4 divisors (see below), whose sum is σ = 5613300. Its totient is φ = 5345920.

The previous prime is 5479603. The next prime is 5479631. The reversal of 5479609 is 9069745.

5479609 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 5405625 = 272^2 + 2325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5479609 is a prime.

It is a super-2 number, since 2×5479609² = 60052229585762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5479603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66784 + ... + 66865.

It is an arithmetic number, because the mean of its divisors is an integer number (1403325).

Almost surely, 2^5479609 is an apocalyptic number.

It is an amenable number.

5479609 is a deficient number, since it is larger than the sum of its proper divisors (133691).

5479609 is a wasteful number, since it uses less digits than its factorization.

5479609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133690.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 5479609 is about 2340.8564671932. The cubic root of 5479609 is about 176.2990031910.

The spelling of 5479609 in words is "five million, four hundred seventy-nine thousand, six hundred nine".