5206505651 has 2 divisors, whose sum is σ = 5206505652. Its totient is φ = 5206505650.

The previous prime is 5206505641. The next prime is 5206505677. The reversal of 5206505651 is 1565056025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5206505651 - 2⁶ = 5206505587 is a prime.

It is not a weakly prime, because it can be changed into another prime (5206505641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603252825 + 2603252826.

It is an arithmetic number, because the mean of its divisors is an integer number (2603252826).

Almost surely, 2^5206505651 is an apocalyptic number.

5206505651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206505651 is an equidigital number, since it uses as much as digits as its factorization.

5206505651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5206505651 is about 72156.1199829924. The cubic root of 5206505651 is about 1733.2004030906.

The spelling of 5206505651 in words is "five billion, two hundred six million, five hundred five thousand, six hundred fifty-one".