2523209317 has 2 divisors, whose sum is σ = 2523209318. Its totient is φ = 2523209316.

The previous prime is 2523209287. The next prime is 2523209369. The reversal of 2523209317 is 7139023252.

2523209317 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., 1488879396 + 1034329921 = 38586^2 + 32161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523209317 - 2¹⁵ = 2523176549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523209417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261604658 + 1261604659.

It is an arithmetic number, because the mean of its divisors is an integer number (1261604659).

Almost surely, 2^2523209317 is an apocalyptic number.

It is an amenable number.

2523209317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523209317 is an equidigital number, since it uses as much as digits as its factorization.

2523209317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2523209317 is about 50231.5569836333. The cubic root of 2523209317 is about 1361.3958630103.

The spelling of 2523209317 in words is "two billion, five hundred twenty-three million, two hundred nine thousand, three hundred seventeen".