5287685 has 8 divisors (see below), whose sum is σ = 6833400. Its totient is φ = 3904704.

The previous prime is 5287679. The next prime is 5287687. The reversal of 5287685 is 5867825.

5287685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 261121 + 5026564 = 511^2 + 2242^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5287685 - 2⁴ = 5287669 is a prime.

It is a super-2 number, since 2×5287685² = 55919225318450, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287687) 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, 40610 + ... + 40739.

It is an arithmetic number, because the mean of its divisors is an integer number (854175).

Almost surely, 2^5287685 is an apocalyptic number.

It is an amenable number.

5287685 is a deficient number, since it is larger than the sum of its proper divisors (1545715).

5287685 is a wasteful number, since it uses less digits than its factorization.

5287685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81367.

The product of its digits is 134400, while the sum is 41.

The square root of 5287685 is about 2299.4966840594. The cubic root of 5287685 is about 174.2161953515.

The spelling of 5287685 in words is "five million, two hundred eighty-seven thousand, six hundred eighty-five".