3256147 has 4 divisors (see below), whose sum is σ = 3361216. Its totient is φ = 3151080.

The previous prime is 3256093. The next prime is 3256171. The reversal of 3256147 is 7416523.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256247) by changing a digit.

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, 52488 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (840304).

Almost surely, 2^3256147 is an apocalyptic number.

3256147 is a deficient number, since it is larger than the sum of its proper divisors (105069).

3256147 is a wasteful number, since it uses less digits than its factorization.

3256147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105068.

The product of its digits is 5040, while the sum is 28.

The square root of 3256147 is about 1804.4797034048. The cubic root of 3256147 is about 148.2181315967.

It can be divided in two parts, 3256 and 147, that added together give a triangular number (3403 = T₈₂).

The spelling of 3256147 in words is "three million, two hundred fifty-six thousand, one hundred forty-seven".