5646481 has 4 divisors (see below), whose sum is σ = 5660964. Its totient is φ = 5632000.

The previous prime is 5646451. The next prime is 5646517. The reversal of 5646481 is 1846465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1846465 = 5 ⋅369293.

It can be written as a sum of positive squares in 2 ways, for example, as 5267025 + 379456 = 2295^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646481 - 2⁵ = 5646449 is a prime.

It is a super-2 number, since 2×5646481² = 63765495366722, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 5646481 parts by 3360 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5646451) 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, 6640 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (1415241).

Almost surely, 2^5646481 is an apocalyptic number.

It is an amenable number.

5646481 is a deficient number, since it is larger than the sum of its proper divisors (14483).

5646481 is a wasteful number, since it uses less digits than its factorization.

5646481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482.

The product of its digits is 23040, while the sum is 34.

The square root of 5646481 is about 2376.2325222924. The cubic root of 5646481 is about 178.0707646926.

The spelling of 5646481 in words is "five million, six hundred forty-six thousand, four hundred eighty-one".