2015791 has 2 divisors, whose sum is σ = 2015792. Its totient is φ = 2015790.

The previous prime is 2015779. The next prime is 2015801. The reversal of 2015791 is 1975102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2015791 - 2¹¹ = 2013743 is a prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007895 + 1007896.

It is an arithmetic number, because the mean of its divisors is an integer number (1007896).

2^2015791 is an apocalyptic number.

2015791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015791 is an equidigital number, since it uses as much as digits as its factorization.

2015791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2015791 is about 1419.7855471866. The cubic root of 2015791 is about 126.3228263289.

The spelling of 2015791 in words is "two million, fifteen thousand, seven hundred ninety-one".