2573257541 has 2 divisors, whose sum is σ = 2573257542. Its totient is φ = 2573257540.

The previous prime is 2573257507. The next prime is 2573257553. The reversal of 2573257541 is 1457523752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2093428516 + 479829025 = 45754^2 + 21905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573257541 - 2¹⁴ = 2573241157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573257741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286628770 + 1286628771.

It is an arithmetic number, because the mean of its divisors is an integer number (1286628771).

Almost surely, 2^2573257541 is an apocalyptic number.

It is an amenable number.

2573257541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573257541 is an equidigital number, since it uses as much as digits as its factorization.

2573257541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 2573257541 is about 50727.2859613049. The cubic root of 2573257541 is about 1370.3381588394.

The spelling of 2573257541 in words is "two billion, five hundred seventy-three million, two hundred fifty-seven thousand, five hundred forty-one".