5629681 has 4 divisors (see below), whose sum is σ = 5926000. Its totient is φ = 5333364.

The previous prime is 5629651. The next prime is 5629697. The reversal of 5629681 is 1869265.

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 5629681 - 2⁵ = 5629649 is a prime.

It is a super-2 number, since 2×5629681² = 63386616323522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5629681.

It is not an unprimeable number, because it can be changed into a prime (5629621) 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, 148131 + ... + 148168.

It is an arithmetic number, because the mean of its divisors is an integer number (1481500).

Almost surely, 2^5629681 is an apocalyptic number.

It is an amenable number.

5629681 is a deficient number, since it is larger than the sum of its proper divisors (296319).

5629681 is a wasteful number, since it uses less digits than its factorization.

5629681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296318.

The product of its digits is 25920, while the sum is 37.

The square root of 5629681 is about 2372.6948813533. The cubic root of 5629681 is about 177.8939843390.

The spelling of 5629681 in words is "five million, six hundred twenty-nine thousand, six hundred eighty-one".