5640481 has 32 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 3974400.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640481 is 1840465.

It is a cyclic number.

It is not a de Polignac number, because 5640481 - 2⁵ = 5640449 is a prime.

It is a super-2 number, since 2×5640481² = 63630051822722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5640461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40510 + ... + 40648.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^5640481 is an apocalyptic number.

It is an amenable number.

5640481 is a deficient number, since it is larger than the sum of its proper divisors (2100959).

5640481 is a wasteful number, since it uses less digits than its factorization.

5640481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5640481 is about 2374.9696840170. The cubic root of 5640481 is about 178.0076691557.

The spelling of 5640481 in words is "five million, six hundred forty thousand, four hundred eighty-one".