254506564541 has 2 divisors, whose sum is σ = 254506564542. Its totient is φ = 254506564540.

The previous prime is 254506564523. The next prime is 254506564553. The reversal of 254506564541 is 145465605452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250830688900 + 3675875641 = 500830^2 + 60629^2 .

It is a cyclic number.

It is not a de Polignac number, because 254506564541 - 2¹⁰ = 254506563517 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 (254506564841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127253282270 + 127253282271.

It is an arithmetic number, because the mean of its divisors is an integer number (127253282271).

Almost surely, 2^254506564541 is an apocalyptic number.

It is an amenable number.

254506564541 is a deficient number, since it is larger than the sum of its proper divisors (1).

254506564541 is an equidigital number, since it uses as much as digits as its factorization.

254506564541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 254506564541 in words is "two hundred fifty-four billion, five hundred six million, five hundred sixty-four thousand, five hundred forty-one".