4018425 has 24 divisors (see below), whose sum is σ = 6710880. Its totient is φ = 2121600.

The previous prime is 4018423. The next prime is 4018433. The reversal of 4018425 is 5248104.

It is not a de Polignac number, because 4018425 - 2¹ = 4018423 is a prime.

It is a super-2 number, since 2×4018425² = 32295478961250, which contains 22 as substring.

4018425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4018395 and 4018404.

It is not an unprimeable number, because it can be changed into a prime (4018423) 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 23 ways as a sum of consecutive naturals, for example, 9621 + ... + 10029.

It is an arithmetic number, because the mean of its divisors is an integer number (279620).

Almost surely, 2^4018425 is an apocalyptic number.

It is an amenable number.

4018425 is a deficient number, since it is larger than the sum of its proper divisors (2692455).

4018425 is a wasteful number, since it uses less digits than its factorization.

4018425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4018425 is about 2004.6009577968. The cubic root of 4018425 is about 158.9834641243.

The spelling of 4018425 in words is "four million, eighteen thousand, four hundred twenty-five".