5649131 has 4 divisors (see below), whose sum is σ = 5666232. Its totient is φ = 5632032.

The previous prime is 5649121. The next prime is 5649157. The reversal of 5649131 is 1319465.

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

It is a cyclic number.

It is not a de Polignac number, because 5649131 - 2⁶ = 5649067 is a prime.

It is a super-2 number, since 2×5649131² = 63825362110322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5649094 and 5649103.

It is not an unprimeable number, because it can be changed into a prime (5649101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8045 + ... + 8718.

It is an arithmetic number, because the mean of its divisors is an integer number (1416558).

Almost surely, 2^5649131 is an apocalyptic number.

5649131 is a deficient number, since it is larger than the sum of its proper divisors (17101).

5649131 is a wasteful number, since it uses less digits than its factorization.

5649131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100.

The product of its digits is 3240, while the sum is 29.

The square root of 5649131 is about 2376.7900622478. The cubic root of 5649131 is about 178.0986176583.

The spelling of 5649131 in words is "five million, six hundred forty-nine thousand, one hundred thirty-one".