5309857 has 4 divisors (see below), whose sum is σ = 6068416. Its totient is φ = 4551300.

The previous prime is 5309851. The next prime is 5309861. The reversal of 5309857 is 7589035.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7589035 = 5 ⋅1517807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5309857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5309851) 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, 379269 + ... + 379282.

It is an arithmetic number, because the mean of its divisors is an integer number (1517104).

Almost surely, 2^5309857 is an apocalyptic number.

It is an amenable number.

5309857 is a deficient number, since it is larger than the sum of its proper divisors (758559).

5309857 is an equidigital number, since it uses as much as digits as its factorization.

5309857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758558.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5309857 is about 2304.3126957946. The cubic root of 5309857 is about 174.4593600540.

The spelling of 5309857 in words is "five million, three hundred nine thousand, eight hundred fifty-seven".