2523589009 has 2 divisors, whose sum is σ = 2523589010. Its totient is φ = 2523589008.

The previous prime is 2523588989. The next prime is 2523589027. The reversal of 2523589009 is 9009853252.

It is a happy number.

2523589009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1744899984 + 778689025 = 41772^2 + 27905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523589009 - 2¹⁵ = 2523556241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2523589039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261794504 + 1261794505.

It is an arithmetic number, because the mean of its divisors is an integer number (1261794505).

Almost surely, 2^2523589009 is an apocalyptic number.

It is an amenable number.

2523589009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523589009 is an equidigital number, since it uses as much as digits as its factorization.

2523589009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2523589009 is about 50235.3362584546. The cubic root of 2523589009 is about 1361.4641471050.

It can be divided in two parts, 25235 and 89009, that added together give a square (114244 = 338²).

The spelling of 2523589009 in words is "two billion, five hundred twenty-three million, five hundred eighty-nine thousand, nine".