845791053 has 4 divisors (see below), whose sum is σ = 1127721408. Its totient is φ = 563860700.

The previous prime is 845791043. The next prime is 845791057. The reversal of 845791053 is 350197548.

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 845791053 - 2⁸ = 845790797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 845790996 and 845791014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845791057) 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, 140965173 + ... + 140965178.

It is an arithmetic number, because the mean of its divisors is an integer number (281930352).

Almost surely, 2^845791053 is an apocalyptic number.

It is an amenable number.

845791053 is a deficient number, since it is larger than the sum of its proper divisors (281930355).

845791053 is a wasteful number, since it uses less digits than its factorization.

845791053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281930354.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 845791053 is about 29082.4870497693. The cubic root of 845791053 is about 945.7021192314.

The spelling of 845791053 in words is "eight hundred forty-five million, seven hundred ninety-one thousand, fifty-three".