5130551509 has 2 divisors, whose sum is σ = 5130551510. Its totient is φ = 5130551508.

The previous prime is 5130551479. The next prime is 5130551597. The reversal of 5130551509 is 9051550315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2853162225 + 2277389284 = 53415^2 + 47722^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130551509 - 2⁷ = 5130551381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5130555509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565275754 + 2565275755.

It is an arithmetic number, because the mean of its divisors is an integer number (2565275755).

Almost surely, 2^5130551509 is an apocalyptic number.

It is an amenable number.

5130551509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5130551509 is an equidigital number, since it uses as much as digits as its factorization.

5130551509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16875, while the sum is 34.

The square root of 5130551509 is about 71627.8682427447. The cubic root of 5130551509 is about 1724.7309259226.

The spelling of 5130551509 in words is "five billion, one hundred thirty million, five hundred fifty-one thousand, five hundred nine".