5691825 has 36 divisors (see below), whose sum is σ = 10460268. Its totient is φ = 2956800.

The previous prime is 5691823. The next prime is 5691827. The reversal of 5691825 is 5281965.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5691823) and next prime (5691827).

It can be written as a sum of positive squares in 6 ways, for example, as 2537649 + 3154176 = 1593^2 + 1776^2 .

It is not a de Polignac number, because 5691825 - 2¹ = 5691823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5691825.

It is not an unprimeable number, because it can be changed into a prime (5691823) 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 35 ways as a sum of consecutive naturals, for example, 8917 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (290563).

Almost surely, 2^5691825 is an apocalyptic number.

It is an amenable number.

5691825 is a deficient number, since it is larger than the sum of its proper divisors (4768443).

5691825 is a wasteful number, since it uses less digits than its factorization.

5691825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5691825 is about 2385.7545976064. The cubic root of 5691825 is about 178.5461594720.

The spelling of 5691825 in words is "five million, six hundred ninety-one thousand, eight hundred twenty-five".