5440251 has 8 divisors (see below), whose sum is σ = 7635520. Its totient is φ = 3435912.

The previous prime is 5440247. The next prime is 5440273. The reversal of 5440251 is 1520445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5440251 - 2² = 5440247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47665 + ... + 47778.

It is an arithmetic number, because the mean of its divisors is an integer number (954440).

Almost surely, 2^5440251 is an apocalyptic number.

5440251 is a deficient number, since it is larger than the sum of its proper divisors (2195269).

5440251 is a wasteful number, since it uses less digits than its factorization.

5440251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95465.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5440251 is about 2332.4345649986. The cubic root of 5440251 is about 175.8758917571.

Adding to 5440251 its reverse (1520445), we get a palindrome (6960696).

The spelling of 5440251 in words is "five million, four hundred forty thousand, two hundred fifty-one".