2665009253 has 2 divisors, whose sum is σ = 2665009254. Its totient is φ = 2665009252.

The previous prime is 2665009247. The next prime is 2665009279. The reversal of 2665009253 is 3529005662.

2665009253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2291824129 + 373185124 = 47873^2 + 19318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2665009253 - 2⁶ = 2665009189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665000253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332504626 + 1332504627.

It is an arithmetic number, because the mean of its divisors is an integer number (1332504627).

Almost surely, 2^2665009253 is an apocalyptic number.

It is an amenable number.

2665009253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665009253 is an equidigital number, since it uses as much as digits as its factorization.

2665009253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2665009253 is about 51623.7276162813. The cubic root of 2665009253 is about 1386.4351925465.

The spelling of 2665009253 in words is "two billion, six hundred sixty-five million, nine thousand, two hundred fifty-three".