4285381 has 2 divisors, whose sum is σ = 4285382. Its totient is φ = 4285380.

The previous prime is 4285367. The next prime is 4285399. The reversal of 4285381 is 1835824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4137156 + 148225 = 2034^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4285381 - 2⁵ = 4285349 is a prime.

It is a super-2 number, since 2×4285381² = 36728980630322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4285321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142690 + 2142691.

It is an arithmetic number, because the mean of its divisors is an integer number (2142691).

Almost surely, 2^4285381 is an apocalyptic number.

It is an amenable number.

4285381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4285381 is an equidigital number, since it uses as much as digits as its factorization.

4285381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 4285381 is about 2070.1161803145. The cubic root of 4285381 is about 162.4288414281.

The spelling of 4285381 in words is "four million, two hundred eighty-five thousand, three hundred eighty-one".