860253 has 4 divisors (see below), whose sum is σ = 1147008. Its totient is φ = 573500.

The previous prime is 860239. The next prime is 860257. The reversal of 860253 is 352068.

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-860253 is a prime.

It is a D-number.

860253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860257) 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, 143373 + ... + 143378.

It is an arithmetic number, because the mean of its divisors is an integer number (286752).

2⁸⁶⁰²⁵³ is an apocalyptic number.

It is an amenable number.

860253 is a deficient number, since it is larger than the sum of its proper divisors (286755).

860253 is a wasteful number, since it uses less digits than its factorization.

860253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286754.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 860253 is about 927.4982479768. The cubic root of 860253 is about 95.1061786054.

The spelling of 860253 in words is "eight hundred sixty thousand, two hundred fifty-three".