4256147 has 8 divisors (see below), whose sum is σ = 4995936. Its totient is φ = 3549312.

The previous prime is 4256141. The next prime is 4256159. The reversal of 4256147 is 7416524.

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 4256147 - 2¹² = 4252051 is a prime.

It is a super-2 number, since 2×4256147² = 36229574571218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256141) 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, 7958 + ... + 8475.

It is an arithmetic number, because the mean of its divisors is an integer number (624492).

Almost surely, 2^4256147 is an apocalyptic number.

4256147 is a deficient number, since it is larger than the sum of its proper divisors (739789).

4256147 is a wasteful number, since it uses less digits than its factorization.

4256147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477.

The product of its digits is 6720, while the sum is 29.

The square root of 4256147 is about 2063.0431406056. The cubic root of 4256147 is about 162.0586461447.

The spelling of 4256147 in words is "four million, two hundred fifty-six thousand, one hundred forty-seven".