3256155 has 24 divisors (see below), whose sum is σ = 6450912. Its totient is φ = 1488384.

The previous prime is 3256093. The next prime is 3256171. The reversal of 3256155 is 5516523.

It is a de Polignac number, because none of the positive numbers 2^k-3256155 is a prime.

3256155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4854 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (268788).

Almost surely, 2^3256155 is an apocalyptic number.

3256155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3256155 is a deficient number, since it is larger than the sum of its proper divisors (3194757).

3256155 is a wasteful number, since it uses less digits than its factorization.

3256155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355 (or 10352 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 3256155 is about 1804.4819201089. The cubic root of 3256155 is about 148.2182529819.

The spelling of 3256155 in words is "three million, two hundred fifty-six thousand, one hundred fifty-five".