2519591 has 2 divisors, whose sum is σ = 2519592. Its totient is φ = 2519590.

The previous prime is 2519579. The next prime is 2519597. The reversal of 2519591 is 1959152.

2519591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2519591 is a prime.

It is a Sophie Germain 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 (2519597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259795 + 1259796.

It is an arithmetic number, because the mean of its divisors is an integer number (1259796).

2^2519591 is an apocalyptic number.

2519591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2519591 is an equidigital number, since it uses as much as digits as its factorization.

2519591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 32.

The square root of 2519591 is about 1587.3219585201. The cubic root of 2519591 is about 136.0744798211.

The spelling of 2519591 in words is "two million, five hundred nineteen thousand, five hundred ninety-one".