254504345533 has 2 divisors, whose sum is σ = 254504345534. Its totient is φ = 254504345532.

The previous prime is 254504345531. The next prime is 254504345549. The reversal of 254504345533 is 335543405452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170141400324 + 84362945209 = 412482^2 + 290453^2 .

It is a cyclic number.

It is not a de Polignac number, because 254504345533 - 2¹ = 254504345531 is a prime.

Together with 254504345531, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 254504345533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254504345531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127252172766 + 127252172767.

It is an arithmetic number, because the mean of its divisors is an integer number (127252172767).

Almost surely, 2^254504345533 is an apocalyptic number.

It is an amenable number.

254504345533 is a deficient number, since it is larger than the sum of its proper divisors (1).

254504345533 is an equidigital number, since it uses as much as digits as its factorization.

254504345533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 43.

The spelling of 254504345533 in words is "two hundred fifty-four billion, five hundred four million, three hundred forty-five thousand, five hundred thirty-three".