5291000291 has 4 divisors (see below), whose sum is σ = 5292661584. Its totient is φ = 5289339000.

The previous prime is 5291000257. The next prime is 5291000303. The reversal of 5291000291 is 1920001925.

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 5291000291 - 2²² = 5286805987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5291000791) 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, 825860 + ... + 832241.

It is an arithmetic number, because the mean of its divisors is an integer number (1323165396).

Almost surely, 2^5291000291 is an apocalyptic number.

5291000291 is a deficient number, since it is larger than the sum of its proper divisors (1661293).

5291000291 is a wasteful number, since it uses less digits than its factorization.

5291000291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661292.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 5291000291 is about 72739.2623759686. The cubic root of 5291000291 is about 1742.5259796858.

The spelling of 5291000291 in words is "five billion, two hundred ninety-one million, two hundred ninety-one", and thus it is an aban number.