2528801551 has 2 divisors, whose sum is σ = 2528801552. Its totient is φ = 2528801550.

The previous prime is 2528801549. The next prime is 2528801591. The reversal of 2528801551 is 1551088252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528801551 - 2¹ = 2528801549 is a prime.

Together with 2528801549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2528801551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528801591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264400775 + 1264400776.

It is an arithmetic number, because the mean of its divisors is an integer number (1264400776).

Almost surely, 2^2528801551 is an apocalyptic number.

2528801551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528801551 is an equidigital number, since it uses as much as digits as its factorization.

2528801551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 2528801551 is about 50287.1907248755. The cubic root of 2528801551 is about 1362.4008829056.

The spelling of 2528801551 in words is "two billion, five hundred twenty-eight million, eight hundred one thousand, five hundred fifty-one".