2573857541 has 2 divisors, whose sum is σ = 2573857542. Its totient is φ = 2573857540.

The previous prime is 2573857537. The next prime is 2573857543. The reversal of 2573857541 is 1457583752.

2573857541 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., 2403450625 + 170406916 = 49025^2 + 13054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573857541 - 2² = 2573857537 is a prime.

Together with 2573857543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573857543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286928770 + 1286928771.

It is an arithmetic number, because the mean of its divisors is an integer number (1286928771).

Almost surely, 2^2573857541 is an apocalyptic number.

It is an amenable number.

2573857541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573857541 is an equidigital number, since it uses as much as digits as its factorization.

2573857541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176000, while the sum is 47.

The square root of 2573857541 is about 50733.1995935600. The cubic root of 2573857541 is about 1370.4446566652. Note that the first 3 decimals are identical.

The spelling of 2573857541 in words is "two billion, five hundred seventy-three million, eight hundred fifty-seven thousand, five hundred forty-one".