5440247 has 2 divisors, whose sum is σ = 5440248. Its totient is φ = 5440246.

The previous prime is 5440241. The next prime is 5440273. The reversal of 5440247 is 7420445.

It is an a-pointer prime, because the next prime (5440273) can be obtained adding 5440247 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5440247 - 2⁸ = 5439991 is a prime.

It is a super-3 number, since 3×5440247³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5440241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720123 + 2720124.

It is an arithmetic number, because the mean of its divisors is an integer number (2720124).

Almost surely, 2^5440247 is an apocalyptic number.

5440247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440247 is an equidigital number, since it uses as much as digits as its factorization.

5440247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 5440247 is about 2332.4337075253. The cubic root of 5440247 is about 175.8758486522.

The spelling of 5440247 in words is "five million, four hundred forty thousand, two hundred forty-seven".