254534040997 has 2 divisors, whose sum is σ = 254534040998. Its totient is φ = 254534040996.

The previous prime is 254534040977. The next prime is 254534041031. The reversal of 254534040997 is 799040435452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224144486721 + 30389554276 = 473439^2 + 174326^2 .

It is a cyclic number.

It is not a de Polignac number, because 254534040997 - 2¹¹ = 254534038949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254534040907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127267020498 + 127267020499.

It is an arithmetic number, because the mean of its divisors is an integer number (127267020499).

Almost surely, 2^254534040997 is an apocalyptic number.

It is an amenable number.

254534040997 is a deficient number, since it is larger than the sum of its proper divisors (1).

254534040997 is an equidigital number, since it uses as much as digits as its factorization.

254534040997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 254534040997 in words is "two hundred fifty-four billion, five hundred thirty-four million, forty thousand, nine hundred ninety-seven".