4256031 has 16 divisors (see below), whose sum is σ = 6214880. Its totient is φ = 2574720.

The previous prime is 4256029. The next prime is 4256051. The reversal of 4256031 is 1306524.

It is a happy number.

It is not a de Polignac number, because 4256031 - 2¹ = 4256029 is a prime.

It is a super-3 number, since 3×4256031³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4255989 and 4256007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (388430).

Almost surely, 2^4256031 is an apocalyptic number.

4256031 is a deficient number, since it is larger than the sum of its proper divisors (1958849).

4256031 is a wasteful number, since it uses less digits than its factorization.

4256031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4256031 is about 2063.0150266055. The cubic root of 4256031 is about 162.0571738448.

The spelling of 4256031 in words is "four million, two hundred fifty-six thousand, thirty-one".