842253 has 4 divisors (see below), whose sum is σ = 1123008. Its totient is φ = 561500.

The previous prime is 842249. The next prime is 842267. The reversal of 842253 is 352248.

842253 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 not a de Polignac number, because 842253 - 2² = 842249 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842203) 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, 140373 + ... + 140378.

It is an arithmetic number, because the mean of its divisors is an integer number (280752).

2⁸⁴²²⁵³ is an apocalyptic number.

It is an amenable number.

842253 is a deficient number, since it is larger than the sum of its proper divisors (280755).

842253 is a wasteful number, since it uses less digits than its factorization.

842253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280754.

The product of its digits is 1920, while the sum is 24.

The square root of 842253 is about 917.7434281977. The cubic root of 842253 is about 94.4381611609.

The spelling of 842253 in words is "eight hundred forty-two thousand, two hundred fifty-three".