4025485 has 4 divisors (see below), whose sum is σ = 4830588. Its totient is φ = 3220384.

The previous prime is 4025453. The next prime is 4025491. The reversal of 4025485 is 5845204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 1943236 = 1443^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025485 - 2⁵ = 4025453 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 402544 + ... + 402553.

It is an arithmetic number, because the mean of its divisors is an integer number (1207647).

Almost surely, 2^4025485 is an apocalyptic number.

It is an amenable number.

4025485 is a deficient number, since it is larger than the sum of its proper divisors (805103).

4025485 is an equidigital number, since it uses as much as digits as its factorization.

4025485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805102.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4025485 is about 2006.3611339936. The cubic root of 4025485 is about 159.0765160510.

The spelling of 4025485 in words is "four million, twenty-five thousand, four hundred eighty-five".