5120528251 has 2 divisors, whose sum is σ = 5120528252. Its totient is φ = 5120528250.

The previous prime is 5120528243. The next prime is 5120528263. The reversal of 5120528251 is 1528250215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5120528251 - 2³ = 5120528243 is a prime.

It is not a weakly prime, because it can be changed into another prime (5120528221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560264125 + 2560264126.

It is an arithmetic number, because the mean of its divisors is an integer number (2560264126).

Almost surely, 2^5120528251 is an apocalyptic number.

5120528251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120528251 is an equidigital number, since it uses as much as digits as its factorization.

5120528251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 5120528251 is about 71557.8664508662. The cubic root of 5120528251 is about 1723.6070251058.

Adding to 5120528251 its reverse (1528250215), we get a palindrome (6648778466).

The spelling of 5120528251 in words is "five billion, one hundred twenty million, five hundred twenty-eight thousand, two hundred fifty-one".