4025005 has 8 divisors (see below), whose sum is σ = 5114232. Its totient is φ = 3030528.

The previous prime is 4025003. The next prime is 4025027. The reversal of 4025005 is 5005204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 175561 + 3849444 = 419^2 + 1962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4025005 - 2¹ = 4025003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4025005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23592 + ... + 23761.

It is an arithmetic number, because the mean of its divisors is an integer number (639279).

Almost surely, 2^4025005 is an apocalyptic number.

It is an amenable number.

4025005 is a deficient number, since it is larger than the sum of its proper divisors (1089227).

4025005 is a wasteful number, since it uses less digits than its factorization.

4025005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47375.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4025005 is about 2006.2415108855. The cubic root of 4025005 is about 159.0701930230.

The spelling of 4025005 in words is "four million, twenty-five thousand, five".