2521144573 has 2 divisors, whose sum is σ = 2521144574. Its totient is φ = 2521144572.

The previous prime is 2521144543. The next prime is 2521144589. The reversal of 2521144573 is 3754411252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1287589689 + 1233554884 = 35883^2 + 35122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521144573 - 2²⁵ = 2487590141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521144543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260572286 + 1260572287.

It is an arithmetic number, because the mean of its divisors is an integer number (1260572287).

Almost surely, 2^2521144573 is an apocalyptic number.

It is an amenable number.

2521144573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521144573 is an equidigital number, since it uses as much as digits as its factorization.

2521144573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 2521144573 is about 50211.0005178148. Note that the first 3 decimals coincide. The cubic root of 2521144573 is about 1361.0244179358.

The spelling of 2521144573 in words is "two billion, five hundred twenty-one million, one hundred forty-four thousand, five hundred seventy-three".