5185657 has 4 divisors (see below), whose sum is σ = 5190480. Its totient is φ = 5180836.

The previous prime is 5185633. The next prime is 5185667. The reversal of 5185657 is 7565815.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7565815 = 5 ⋅1513163.

It is a cyclic number.

It is not a de Polignac number, because 5185657 - 2⁷ = 5185529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5185667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (1297620).

Almost surely, 2^5185657 is an apocalyptic number.

It is an amenable number.

5185657 is a deficient number, since it is larger than the sum of its proper divisors (4823).

5185657 is a wasteful number, since it uses less digits than its factorization.

5185657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822.

The product of its digits is 42000, while the sum is 37.

The square root of 5185657 is about 2277.2037677819. The cubic root of 5185657 is about 173.0883863455.

The spelling of 5185657 in words is "five million, one hundred eighty-five thousand, six hundred fifty-seven".