859041253 has 4 divisors (see below), whose sum is σ = 981761440. Its totient is φ = 736321068.

The previous prime is 859041251. The next prime is 859041289. The reversal of 859041253 is 352140958.

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 not a de Polignac number, because 859041253 - 2¹ = 859041251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859041251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61360083 + ... + 61360096.

It is an arithmetic number, because the mean of its divisors is an integer number (245440360).

Almost surely, 2^859041253 is an apocalyptic number.

It is an amenable number.

859041253 is a deficient number, since it is larger than the sum of its proper divisors (122720187).

859041253 is a wasteful number, since it uses less digits than its factorization.

859041253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122720186.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 859041253 is about 29309.4055381545. The cubic root of 859041253 is about 950.6150229900.

The spelling of 859041253 in words is "eight hundred fifty-nine million, forty-one thousand, two hundred fifty-three".