2529378251 has 2 divisors, whose sum is σ = 2529378252. Its totient is φ = 2529378250.

The previous prime is 2529378223. The next prime is 2529378259. The reversal of 2529378251 is 1528739252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2529378251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2529378259) 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, 1264689125 + 1264689126.

It is an arithmetic number, because the mean of its divisors is an integer number (1264689126).

Almost surely, 2^2529378251 is an apocalyptic number.

2529378251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2529378251 is an equidigital number, since it uses as much as digits as its factorization.

2529378251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 2529378251 is about 50292.9244625922. The cubic root of 2529378251 is about 1362.5044414298.

The spelling of 2529378251 in words is "two billion, five hundred twenty-nine million, three hundred seventy-eight thousand, two hundred fifty-one".