5647481 has 4 divisors (see below), whose sum is σ = 6454272. Its totient is φ = 4840692.

The previous prime is 5647471. The next prime is 5647483. The reversal of 5647481 is 1847465.

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 5647481 - 2¹⁸ = 5385337 is a prime.

It is a super-2 number, since 2×5647481² = 63788083290722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5647483) 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, 403385 + ... + 403398.

It is an arithmetic number, because the mean of its divisors is an integer number (1613568).

Almost surely, 2^5647481 is an apocalyptic number.

It is an amenable number.

5647481 is a deficient number, since it is larger than the sum of its proper divisors (806791).

5647481 is an equidigital number, since it uses as much as digits as its factorization.

5647481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806790.

The product of its digits is 26880, while the sum is 35.

The square root of 5647481 is about 2376.4429300953. The cubic root of 5647481 is about 178.0812762693.

The spelling of 5647481 in words is "five million, six hundred forty-seven thousand, four hundred eighty-one".