7025130809 has 2 divisors, whose sum is σ = 7025130810. Its totient is φ = 7025130808.

The previous prime is 7025130793. The next prime is 7025130811. The reversal of 7025130809 is 9080315207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6978931600 + 46199209 = 83540^2 + 6797^2 .

It is a cyclic number.

It is not a de Polignac number, because 7025130809 - 2⁴ = 7025130793 is a prime.

Together with 7025130811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7025130829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3512565404 + 3512565405.

It is an arithmetic number, because the mean of its divisors is an integer number (3512565405).

Almost surely, 2^7025130809 is an apocalyptic number.

It is an amenable number.

7025130809 is a deficient number, since it is larger than the sum of its proper divisors (1).

7025130809 is an equidigital number, since it uses as much as digits as its factorization.

7025130809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 7025130809 is about 83816.0534086400. The cubic root of 7025130809 is about 1915.2176633837.

The spelling of 7025130809 in words is "seven billion, twenty-five million, one hundred thirty thousand, eight hundred nine".