5626681 has 4 divisors (see below), whose sum is σ = 5641252. Its totient is φ = 5612112.

The previous prime is 5626657. The next prime is 5626693. The reversal of 5626681 is 1866265.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4372281 + 1254400 = 2091^2 + 1120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5626681 is a prime.

It is a super-2 number, since 2×5626681² = 63319078151522, which contains 22 as substring.

It is a Duffinian number.

5626681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5626601) 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, 6690 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (1410313).

Almost surely, 2^5626681 is an apocalyptic number.

It is an amenable number.

5626681 is a deficient number, since it is larger than the sum of its proper divisors (14571).

5626681 is a wasteful number, since it uses less digits than its factorization.

5626681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14570.

The product of its digits is 17280, while the sum is 34.

The square root of 5626681 is about 2372.0626045701. The cubic root of 5626681 is about 177.8623794234.

The spelling of 5626681 in words is "five million, six hundred twenty-six thousand, six hundred eighty-one".