2522520391 has 2 divisors, whose sum is σ = 2522520392. Its totient is φ = 2522520390.

The previous prime is 2522520379. The next prime is 2522520419. The reversal of 2522520391 is 1930252252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2522520391 - 2¹¹ = 2522518343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522520361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261260195 + 1261260196.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260196).

Almost surely, 2^2522520391 is an apocalyptic number.

2522520391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522520391 is an equidigital number, since it uses as much as digits as its factorization.

2522520391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2522520391 is about 50224.6990135332. The cubic root of 2522520391 is about 1361.2719485477.

The spelling of 2522520391 in words is "two billion, five hundred twenty-two million, five hundred twenty thousand, three hundred ninety-one".