254325133031243 has 4 divisors (see below), whose sum is σ = 258121030539240. Its totient is φ = 250529235523248.

The previous prime is 254325133031201. The next prime is 254325133031257. The reversal of 254325133031243 is 342130331523452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254325133031243 - 2¹⁰ = 254325133030219 is a prime.

It is a super-2 number, since 2×254325133031243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254325133031243.

It is not an unprimeable number, because it can be changed into a prime (254325133031443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897948753898 + ... + 1897948754031.

It is an arithmetic number, because the mean of its divisors is an integer number (64530257634810).

Almost surely, 2^{254325133031243} is an apocalyptic number.

254325133031243 is a deficient number, since it is larger than the sum of its proper divisors (3795897507997).

254325133031243 is an equidigital number, since it uses as much as digits as its factorization.

254325133031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795897507996.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 254325133031243 its reverse (342130331523452), we get a palindrome (596455464554695).

The spelling of 254325133031243 in words is "two hundred fifty-four trillion, three hundred twenty-five billion, one hundred thirty-three million, thirty-one thousand, two hundred forty-three".