2625001289 has 2 divisors, whose sum is σ = 2625001290. Its totient is φ = 2625001288.

The previous prime is 2625001231. The next prime is 2625001307. The reversal of 2625001289 is 9821005262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2038974025 + 586027264 = 45155^2 + 24208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625001289 - 2²⁰ = 2623952713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2625001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312500644 + 1312500645.

It is an arithmetic number, because the mean of its divisors is an integer number (1312500645).

Almost surely, 2^2625001289 is an apocalyptic number.

It is an amenable number.

2625001289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625001289 is an equidigital number, since it uses as much as digits as its factorization.

2625001289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2625001289 is about 51234.7664091484. The cubic root of 2625001289 is about 1379.4623139844.

The spelling of 2625001289 in words is "two billion, six hundred twenty-five million, one thousand, two hundred eighty-nine".