6244425 has 72 divisors (see below), whose sum is σ = 12960480. Its totient is φ = 2923200.

The previous prime is 6244391. The next prime is 6244429. The reversal of 6244425 is 5244426.

It is not a de Polignac number, because 6244425 - 2¹² = 6240329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (7680) is a multiple of the sum of its prime divisors (48).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6244429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 215311 + ... + 215339.

Almost surely, 2^6244425 is an apocalyptic number.

It is an amenable number.

6244425 is an abundant number, since it is smaller than the sum of its proper divisors (6716055).

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

6244425 is a wasteful number, since it uses less digits than its factorization.

6244425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 48 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 6244425 is about 2498.8847512440. The cubic root of 6244425 is about 184.1467893709.

Subtracting from 6244425 its reverse (5244426), we obtain a palindrome (999999).

The spelling of 6244425 in words is "six million, two hundred forty-four thousand, four hundred twenty-five".