2526788491 has 2 divisors, whose sum is σ = 2526788492. Its totient is φ = 2526788490.

The previous prime is 2526788449. The next prime is 2526788501. The reversal of 2526788491 is 1948876252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2526788491 - 2¹⁹ = 2526264203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2526786491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263394245 + 1263394246.

It is an arithmetic number, because the mean of its divisors is an integer number (1263394246).

Almost surely, 2^2526788491 is an apocalyptic number.

2526788491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526788491 is an equidigital number, since it uses as much as digits as its factorization.

2526788491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 2526788491 is about 50267.1711060012. The cubic root of 2526788491 is about 1362.0392725093.

The spelling of 2526788491 in words is "two billion, five hundred twenty-six million, seven hundred eighty-eight thousand, four hundred ninety-one".