4025585 has 16 divisors (see below), whose sum is σ = 5034960. Its totient is φ = 3087360.

The previous prime is 4025551. The next prime is 4025599. The reversal of 4025585 is 5855204.

It can be written as a sum of positive squares in 8 ways, for example, as 1216609 + 2808976 = 1103^2 + 1676^2 .

It is not a de Polignac number, because 4025585 - 2⁶ = 4025521 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14831 + ... + 15099.

It is an arithmetic number, because the mean of its divisors is an integer number (314685).

Almost surely, 2^4025585 is an apocalyptic number.

It is an amenable number.

4025585 is a deficient number, since it is larger than the sum of its proper divisors (1009375).

4025585 is a wasteful number, since it uses less digits than its factorization.

4025585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4025585 is about 2006.3860545767. The cubic root of 4025585 is about 159.0778332852.

The spelling of 4025585 in words is "four million, twenty-five thousand, five hundred eighty-five".