4253865 has 64 divisors (see below), whose sum is σ = 8847360. Its totient is φ = 1693440.

The previous prime is 4253863. The next prime is 4253867. The reversal of 4253865 is 5683524.

It is an interprime number because it is at equal distance from previous prime (4253863) and next prime (4253867).

It is not a de Polignac number, because 4253865 - 2¹ = 4253863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 4⁴ + 2²¹ + 5³ + 3¹⁰ + 8⁷ + 6 + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33432 + ... + 33558.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

Almost surely, 2^4253865 is an apocalyptic number.

It is an amenable number.

4253865 is an abundant number, since it is smaller than the sum of its proper divisors (4593495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4253865 is a wasteful number, since it uses less digits than its factorization.

4253865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its digits is 28800, while the sum is 33.

The square root of 4253865 is about 2062.4899999758. The cubic root of 4253865 is about 162.0296775381.

The spelling of 4253865 in words is "four million, two hundred fifty-three thousand, eight hundred sixty-five".