5245681 has 4 divisors (see below), whose sum is σ = 5995072. Its totient is φ = 4496292.

The previous prime is 5245657. The next prime is 5245711. The reversal of 5245681 is 1865425.

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.

It is a cyclic number.

It is not a de Polignac number, because 5245681 - 2⁷ = 5245553 is a prime.

It is a super-2 number, since 2×5245681² = 55034338307522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245651) 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, 374685 + ... + 374698.

It is an arithmetic number, because the mean of its divisors is an integer number (1498768).

Almost surely, 2^5245681 is an apocalyptic number.

It is an amenable number.

5245681 is a deficient number, since it is larger than the sum of its proper divisors (749391).

5245681 is an equidigital number, since it uses as much as digits as its factorization.

5245681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749390.

The product of its digits is 9600, while the sum is 31.

The square root of 5245681 is about 2290.3451704929. The cubic root of 5245681 is about 173.7536589813.

The spelling of 5245681 in words is "five million, two hundred forty-five thousand, six hundred eighty-one".