3256005 has 16 divisors (see below), whose sum is σ = 5252544. Its totient is φ = 1722240.

The previous prime is 3255991. The next prime is 3256021. The reversal of 3256005 is 5006523.

It is not a de Polignac number, because 3256005 - 2⁷ = 3255877 is a prime.

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, 1137 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (328284).

Almost surely, 2^3256005 is an apocalyptic number.

It is an amenable number.

3256005 is a deficient number, since it is larger than the sum of its proper divisors (1996539).

3256005 is a wasteful number, since it uses less digits than its factorization.

3256005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3256005 is about 1804.4403564540. The cubic root of 3256005 is about 148.2159769765.

The spelling of 3256005 in words is "three million, two hundred fifty-six thousand, five".