4253857 has 4 divisors (see below), whose sum is σ = 4258116. Its totient is φ = 4249600.

The previous prime is 4253849. The next prime is 4253863. The reversal of 4253857 is 7583524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 474721 = 1944^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 4253857 - 2³ = 4253849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4253867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (1064529).

Almost surely, 2^4253857 is an apocalyptic number.

It is an amenable number.

4253857 is a deficient number, since it is larger than the sum of its proper divisors (4259).

4253857 is a wasteful number, since it uses less digits than its factorization.

4253857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258.

The product of its digits is 33600, while the sum is 34.

The square root of 4253857 is about 2062.4880605715. The cubic root of 4253857 is about 162.0295759647.

The spelling of 4253857 in words is "four million, two hundred fifty-three thousand, eight hundred fifty-seven".