4256253 has 8 divisors (see below), whose sum is σ = 6305600. Its totient is φ = 2837484.

The previous prime is 4256249. The next prime is 4256257. The reversal of 4256253 is 3526524.

It is an interprime number because it is at equal distance from previous prime (4256249) and next prime (4256257).

It is not a de Polignac number, because 4256253 - 2² = 4256249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 157639 = 4256253 / (4 + 2 + 5 + 6 + 2 + 5 + 3).

It is a d-powerful number, because it can be written as 4¹¹ + 2¹³ + 5 + 6⁴ + 2¹⁵ + 5 + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256257) 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 7 ways as a sum of consecutive naturals, for example, 78793 + ... + 78846.

It is an arithmetic number, because the mean of its divisors is an integer number (788200).

Almost surely, 2^4256253 is an apocalyptic number.

It is an amenable number.

4256253 is a deficient number, since it is larger than the sum of its proper divisors (2049347).

4256253 is a wasteful number, since it uses less digits than its factorization.

4256253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157648 (or 157642 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 4256253 is about 2063.0688306501. The cubic root of 4256253 is about 162.0599914988.

The spelling of 4256253 in words is "four million, two hundred fifty-six thousand, two hundred fifty-three".