4056425 has 6 divisors (see below), whose sum is σ = 5029998. Its totient is φ = 3245120.

The previous prime is 4056419. The next prime is 4056431. The reversal of 4056425 is 5246504.

It is an interprime number because it is at equal distance from previous prime (4056419) and next prime (4056431).

It can be written as a sum of positive squares in 3 ways, for example, as 8281 + 4048144 = 91^2 + 2012^2 .

It is not a de Polignac number, because 4056425 - 2¹⁴ = 4040041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4056394 and 4056403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81104 + ... + 81153.

It is an arithmetic number, because the mean of its divisors is an integer number (838333).

Almost surely, 2^4056425 is an apocalyptic number.

It is an amenable number.

4056425 is a deficient number, since it is larger than the sum of its proper divisors (973573).

4056425 is a wasteful number, since it uses less digits than its factorization.

4056425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162267 (or 162262 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4056425 is about 2014.0568512334. The cubic root of 4056425 is about 159.4830319702.

It can be divided in two parts, 40 and 56425, that added together give a palindrome (56465).

The spelling of 4056425 in words is "four million, fifty-six thousand, four hundred twenty-five".