2527391 has 2 divisors, whose sum is σ = 2527392. Its totient is φ = 2527390.

The previous prime is 2527381. The next prime is 2527397. The reversal of 2527391 is 1937252.

2527391 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-2527391 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 (2527397) 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, 1263695 + 1263696.

It is an arithmetic number, because the mean of its divisors is an integer number (1263696).

2^2527391 is an apocalyptic number.

2527391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2527391 is an equidigital number, since it uses as much as digits as its factorization.

2527391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 2527391 is about 1589.7770283911. Note that the first 3 decimals coincide. The cubic root of 2527391 is about 136.2147522660.

The spelling of 2527391 in words is "two million, five hundred twenty-seven thousand, three hundred ninety-one".