2528976139 has 2 divisors, whose sum is σ = 2528976140. Its totient is φ = 2528976138.

The previous prime is 2528976127. The next prime is 2528976161. The reversal of 2528976139 is 9316798252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528976139 - 2⁹ = 2528975627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2528976119) 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, 1264488069 + 1264488070.

It is an arithmetic number, because the mean of its divisors is an integer number (1264488070).

Almost surely, 2^2528976139 is an apocalyptic number.

2528976139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528976139 is an equidigital number, since it uses as much as digits as its factorization.

2528976139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 2528976139 is about 50288.9266041740. The cubic root of 2528976139 is about 1362.4322354873.

The spelling of 2528976139 in words is "two billion, five hundred twenty-eight million, nine hundred seventy-six thousand, one hundred thirty-nine".