291016941 has 4 divisors (see below), whose sum is σ = 388022592. Its totient is φ = 194011292.

The previous prime is 291016919. The next prime is 291016981. The reversal of 291016941 is 149610192.

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 291016941 - 2²¹ = 288919789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (291016981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48502821 + ... + 48502826.

It is an arithmetic number, because the mean of its divisors is an integer number (97005648).

Almost surely, 2^291016941 is an apocalyptic number.

It is an amenable number.

291016941 is a deficient number, since it is larger than the sum of its proper divisors (97005651).

291016941 is an equidigital number, since it uses as much as digits as its factorization.

291016941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97005650.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 291016941 is about 17059.2186515092. The cubic root of 291016941 is about 662.6833979501.

The spelling of 291016941 in words is "two hundred ninety-one million, sixteen thousand, nine hundred forty-one".