6240425 has 18 divisors (see below), whose sum is σ = 7976238. Its totient is φ = 4842880.

The previous prime is 6240419. The next prime is 6240431. The reversal of 6240425 is 5240426.

It is an interprime number because it is at equal distance from previous prime (6240419) and next prime (6240431).

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 6205081 = 188^2 + 2491^2 .

It is not a de Polignac number, because 6240425 - 2¹⁴ = 6224041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6240425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55169 + ... + 55281.

Almost surely, 2^6240425 is an apocalyptic number.

It is an amenable number.

6240425 is a deficient number, since it is larger than the sum of its proper divisors (1735813).

6240425 is a wasteful number, since it uses less digits than its factorization.

6240425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 6240425 is about 2498.0842659926. The cubic root of 6240425 is about 184.1074612507.

Subtracting from 6240425 its reverse (5240426), we obtain a palindrome (999999).

The spelling of 6240425 in words is "six million, two hundred forty thousand, four hundred twenty-five".