254113521015247 has 2 divisors, whose sum is σ = 254113521015248. Its totient is φ = 254113521015246.

The previous prime is 254113521015227. The next prime is 254113521015257. The reversal of 254113521015247 is 742510125311452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254113521015247 - 2¹⁵ = 254113520982479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254113521015227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127056760507623 + 127056760507624.

It is an arithmetic number, because the mean of its divisors is an integer number (127056760507624).

Almost surely, 2^{254113521015247} is an apocalyptic number.

254113521015247 is a deficient number, since it is larger than the sum of its proper divisors (1).

254113521015247 is an equidigital number, since it uses as much as digits as its factorization.

254113521015247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 43.

Adding to 254113521015247 its reverse (742510125311452), we get a palindrome (996623646326699).

The spelling of 254113521015247 in words is "two hundred fifty-four trillion, one hundred thirteen billion, five hundred twenty-one million, fifteen thousand, two hundred forty-seven".