254443452541 has 2 divisors, whose sum is σ = 254443452542. Its totient is φ = 254443452540.

The previous prime is 254443452503. The next prime is 254443452581. The reversal of 254443452541 is 145254344452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201283233316 + 53160219225 = 448646^2 + 230565^2 .

It is a cyclic number.

It is not a de Polignac number, because 254443452541 - 2³¹ = 252295968893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254443452581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127221726270 + 127221726271.

It is an arithmetic number, because the mean of its divisors is an integer number (127221726271).

Almost surely, 2^254443452541 is an apocalyptic number.

It is an amenable number.

254443452541 is a deficient number, since it is larger than the sum of its proper divisors (1).

254443452541 is an equidigital number, since it uses as much as digits as its factorization.

254443452541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536000, while the sum is 43.

Adding to 254443452541 its reverse (145254344452), we get a palindrome (399697796993).

The spelling of 254443452541 in words is "two hundred fifty-four billion, four hundred forty-three million, four hundred fifty-two thousand, five hundred forty-one".