2528240887 has 2 divisors, whose sum is σ = 2528240888. Its totient is φ = 2528240886.

The previous prime is 2528240879. The next prime is 2528240899. The reversal of 2528240887 is 7880428252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528240887 - 2³ = 2528240879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528240287) 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, 1264120443 + 1264120444.

It is an arithmetic number, because the mean of its divisors is an integer number (1264120444).

Almost surely, 2^2528240887 is an apocalyptic number.

2528240887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528240887 is an equidigital number, since it uses as much as digits as its factorization.

2528240887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 2528240887 is about 50281.6157954376. The cubic root of 2528240887 is about 1362.3001888850.

The spelling of 2528240887 in words is "two billion, five hundred twenty-eight million, two hundred forty thousand, eight hundred eighty-seven".