5245687 has 4 divisors (see below), whose sum is σ = 5296720. Its totient is φ = 5194656.

The previous prime is 5245657. The next prime is 5245711. The reversal of 5245687 is 7865425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5245687 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 2²² + 4⁵ + 5⁸ + 6⁷ + 8⁶ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245657) 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, 25362 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (1324180).

Almost surely, 2^5245687 is an apocalyptic number.

5245687 is a deficient number, since it is larger than the sum of its proper divisors (51033).

5245687 is a wasteful number, since it uses less digits than its factorization.

5245687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51032.

The product of its digits is 67200, while the sum is 37.

The square root of 5245687 is about 2290.3464803387. The cubic root of 5245687 is about 173.7537252277.

The spelling of 5245687 in words is "five million, two hundred forty-five thousand, six hundred eighty-seven".