865260022253 has 4 divisors (see below), whose sum is σ = 943920024288. Its totient is φ = 786600020220.

The previous prime is 865260022217. The next prime is 865260022271. The reversal of 865260022253 is 352220062568.

865260022253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-865260022253 is a prime.

It is a super-2 number, since 2×865260022253² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 865260022253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865260022283) 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, 39330001001 + ... + 39330001022.

It is an arithmetic number, because the mean of its divisors is an integer number (235980006072).

Almost surely, 2^865260022253 is an apocalyptic number.

It is an amenable number.

865260022253 is a deficient number, since it is larger than the sum of its proper divisors (78660002035).

865260022253 is a wasteful number, since it uses less digits than its factorization.

865260022253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78660002034.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 865260022253 in words is "eight hundred sixty-five billion, two hundred sixty million, twenty-two thousand, two hundred fifty-three".