791051 has 4 divisors (see below), whose sum is σ = 798552. Its totient is φ = 783552.

The previous prime is 791047. The next prime is 791053. The reversal of 791051 is 150197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 791051 - 2² = 791047 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (199638).

2⁷⁹¹⁰⁵¹ is an apocalyptic number.

791051 is a deficient number, since it is larger than the sum of its proper divisors (7501).

791051 is a wasteful number, since it uses less digits than its factorization.

791051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 791051 is about 889.4104789129. The cubic root of 791051 is about 92.4843314098.

The spelling of 791051 in words is "seven hundred ninety-one thousand, fifty-one".