4256481 has 8 divisors (see below), whose sum is σ = 5686560. Its totient is φ = 2832032.

The previous prime is 4256471. The next prime is 4256491. The reversal of 4256481 is 1846524.

It is an interprime number because it is at equal distance from previous prime (4256471) and next prime (4256491).

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 4256481 - 2²¹ = 2159329 is a prime.

It is a super-2 number, since 2×4256481² = 36235261006722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4256431) 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, 901 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (710820).

Almost surely, 2^4256481 is an apocalyptic number.

It is an amenable number.

4256481 is a deficient number, since it is larger than the sum of its proper divisors (1430079).

4256481 is a wasteful number, since it uses less digits than its factorization.

4256481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 7680, while the sum is 30.

The square root of 4256481 is about 2063.1240873976. The cubic root of 4256481 is about 162.0628852035.

The spelling of 4256481 in words is "four million, two hundred fifty-six thousand, four hundred eighty-one".