5250240 has 84 divisors (see below), whose sum is σ = 18068544. Its totient is φ = 1399296.

The previous prime is 5250227. The next prime is 5250277. The reversal of 5250240 is 420525.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1969 + ... + 3791.

Almost surely, 2^5250240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9034272).

5250240 is an abundant number, since it is smaller than the sum of its proper divisors (12818304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5250240 is a wasteful number, since it uses less digits than its factorization.

5250240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5250240 is about 2291.3402191730. The cubic root of 5250240 is about 173.8039806052.

Adding to 5250240 its reverse (420525), we get a palindrome (5670765).

The spelling of 5250240 in words is "five million, two hundred fifty thousand, two hundred forty".