4140425 has 6 divisors (see below), whose sum is σ = 5134158. Its totient is φ = 3312320.

The previous prime is 4140421. The next prime is 4140439. The reversal of 4140425 is 5240414.

It can be written as a sum of positive squares in 3 ways, for example, as 1032256 + 3108169 = 1016^2 + 1763^2 .

It is not a de Polignac number, because 4140425 - 2² = 4140421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4140397 and 4140406.

It is not an unprimeable number, because it can be changed into a prime (4140421) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 82784 + ... + 82833.

It is an arithmetic number, because the mean of its divisors is an integer number (855693).

Almost surely, 2^4140425 is an apocalyptic number.

It is an amenable number.

4140425 is a deficient number, since it is larger than the sum of its proper divisors (993733).

4140425 is a wasteful number, since it uses less digits than its factorization.

4140425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165627 (or 165622 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4140425 is about 2034.8034303097. The cubic root of 4140425 is about 160.5763717502.

Adding to 4140425 its reverse (5240414), we get a palindrome (9380839).

The spelling of 4140425 in words is "four million, one hundred forty thousand, four hundred twenty-five".