2523253861 has 2 divisors, whose sum is σ = 2523253862. Its totient is φ = 2523253860.

The previous prime is 2523253819. The next prime is 2523253871. The reversal of 2523253861 is 1683523252.

2523253861 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., 2507004900 + 16248961 = 50070^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523253861 - 2¹⁵ = 2523221093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2523253861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523253871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261626930 + 1261626931.

It is an arithmetic number, because the mean of its divisors is an integer number (1261626931).

Almost surely, 2^2523253861 is an apocalyptic number.

It is an amenable number.

2523253861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523253861 is an equidigital number, since it uses as much as digits as its factorization.

2523253861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 2523253861 is about 50232.0003682911. Note that the first 3 decimals coincide. The cubic root of 2523253861 is about 1361.4038741914.

Subtracting from 2523253861 its sum of digits (37), we obtain a square (2523253824 = 50232²).

The spelling of 2523253861 in words is "two billion, five hundred twenty-three million, two hundred fifty-three thousand, eight hundred sixty-one".