4255381 has 4 divisors (see below), whose sum is σ = 4582732. Its totient is φ = 3928032.

The previous prime is 4255369. The next prime is 4255387. The reversal of 4255381 is 1835524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2692881 + 1562500 = 1641^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255381 - 2⁹ = 4254869 is a prime.

It is a super-2 number, since 2×4255381² = 36216534910322, which contains 22 as substring.

It is a Duffinian number.

4255381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255387) 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 3 ways as a sum of consecutive naturals, for example, 163656 + ... + 163681.

It is an arithmetic number, because the mean of its divisors is an integer number (1145683).

Almost surely, 2^4255381 is an apocalyptic number.

It is an amenable number.

4255381 is a deficient number, since it is larger than the sum of its proper divisors (327351).

4255381 is a wasteful number, since it uses less digits than its factorization.

4255381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327350.

The product of its digits is 4800, while the sum is 28.

The square root of 4255381 is about 2062.8574841709. The cubic root of 4255381 is about 162.0489233938.

The spelling of 4255381 in words is "four million, two hundred fifty-five thousand, three hundred eighty-one".