254252543205 has 8 divisors (see below), whose sum is σ = 406804069152. Its totient is φ = 135601356368.

The previous prime is 254252543203. The next prime is 254252543231. The reversal of 254252543205 is 502345252452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254252543205 - 2¹ = 254252543203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254252543203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8475084759 + ... + 8475084788.

It is an arithmetic number, because the mean of its divisors is an integer number (50850508644).

Almost surely, 2^254252543205 is an apocalyptic number.

It is an amenable number.

254252543205 is a deficient number, since it is larger than the sum of its proper divisors (152551525947).

254252543205 is a wasteful number, since it uses less digits than its factorization.

254252543205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16950169555.

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 254252543205 its reverse (502345252452), we get a palindrome (756597795657).

The spelling of 254252543205 in words is "two hundred fifty-four billion, two hundred fifty-two million, five hundred forty-three thousand, two hundred five".