2530130809 has 2 divisors, whose sum is σ = 2530130810. Its totient is φ = 2530130808.

The previous prime is 2530130803. The next prime is 2530130821. The reversal of 2530130809 is 9080310352.

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., 2239939584 + 290191225 = 47328^2 + 17035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530130809 - 2²⁹ = 1993259897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2530130803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265065404 + 1265065405.

It is an arithmetic number, because the mean of its divisors is an integer number (1265065405).

Almost surely, 2^2530130809 is an apocalyptic number.

It is an amenable number.

2530130809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530130809 is an equidigital number, since it uses as much as digits as its factorization.

2530130809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2530130809 is about 50300.4056544279. The cubic root of 2530130809 is about 1362.6395552591.

The spelling of 2530130809 in words is "two billion, five hundred thirty million, one hundred thirty thousand, eight hundred nine".