3865253 has 4 divisors (see below), whose sum is σ = 4417440. Its totient is φ = 3313068.

The previous prime is 3865247. The next prime is 3865283. The reversal of 3865253 is 3525683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3865253 - 2¹⁴ = 3848869 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865243) 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, 276083 + ... + 276096.

It is an arithmetic number, because the mean of its divisors is an integer number (1104360).

Almost surely, 2^3865253 is an apocalyptic number.

It is an amenable number.

3865253 is a deficient number, since it is larger than the sum of its proper divisors (552187).

3865253 is an equidigital number, since it uses as much as digits as its factorization.

3865253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552186.

The product of its digits is 21600, while the sum is 32.

The square root of 3865253 is about 1966.0246692247. The cubic root of 3865253 is about 156.9372272616.

The spelling of 3865253 in words is "three million, eight hundred sixty-five thousand, two hundred fifty-three".