5309591 has 6 divisors (see below), whose sum is σ = 6176520. Its totient is φ = 4551036.

The previous prime is 5309539. The next prime is 5309599. The reversal of 5309591 is 1959035.

It is not a de Polignac number, because 5309591 - 2¹⁴ = 5293207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54131 + ... + 54228.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^5309591 is an apocalyptic number.

5309591 is a deficient number, since it is larger than the sum of its proper divisors (866929).

5309591 is a wasteful number, since it uses less digits than its factorization.

5309591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108373 (or 108366 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 5309591 is about 2304.2549772106. The cubic root of 5309591 is about 174.4564467951.

The spelling of 5309591 in words is "five million, three hundred nine thousand, five hundred ninety-one".