2528742127 has 2 divisors, whose sum is σ = 2528742128. Its totient is φ = 2528742126.

The previous prime is 2528742109. The next prime is 2528742157. The reversal of 2528742127 is 7212478252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528742127 - 2¹¹ = 2528740079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2528742127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528742157) 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, 1264371063 + 1264371064.

It is an arithmetic number, because the mean of its divisors is an integer number (1264371064).

Almost surely, 2^2528742127 is an apocalyptic number.

2528742127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528742127 is an equidigital number, since it uses as much as digits as its factorization.

2528742127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 40.

The square root of 2528742127 is about 50286.5998751158. The cubic root of 2528742127 is about 1362.3902111912.

The spelling of 2528742127 in words is "two billion, five hundred twenty-eight million, seven hundred forty-two thousand, one hundred twenty-seven".