5309905 has 8 divisors (see below), whose sum is σ = 6398784. Its totient is φ = 4230000.

The previous prime is 5309903. The next prime is 5309921. The reversal of 5309905 is 5099035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5309905 - 2¹ = 5309903 is a prime.

It is a super-2 number, since 2×5309905² = 56390182218050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5309903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 3370.

It is an arithmetic number, because the mean of its divisors is an integer number (799848).

Almost surely, 2^5309905 is an apocalyptic number.

It is an amenable number.

5309905 is a deficient number, since it is larger than the sum of its proper divisors (1088879).

5309905 is a wasteful number, since it uses less digits than its factorization.

5309905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 5309905 is about 2304.3231110241. The cubic root of 5309905 is about 174.4598857445.

The spelling of 5309905 in words is "five million, three hundred nine thousand, nine hundred five".