2615791 has 2 divisors, whose sum is σ = 2615792. Its totient is φ = 2615790.

The previous prime is 2615783. The next prime is 2615797. The reversal of 2615791 is 1975162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2615791 - 2³ = 2615783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2615797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307895 + 1307896.

It is an arithmetic number, because the mean of its divisors is an integer number (1307896).

2^2615791 is an apocalyptic number.

2615791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2615791 is an equidigital number, since it uses as much as digits as its factorization.

2615791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 2615791 is about 1617.3407185872. The cubic root of 2615791 is about 137.7847059520.

The spelling of 2615791 in words is "two million, six hundred fifteen thousand, seven hundred ninety-one".