254109247 has 12 divisors (see below), whose sum is σ = 295951296. Its totient is φ = 217546560.

The previous prime is 254109241. The next prime is 254109253. The reversal of 254109247 is 742901452.

It is an interprime number because it is at equal distance from previous prime (254109241) and next prime (254109253).

It is not a de Polignac number, because 254109247 - 2¹¹ = 254107199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254109241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45943 + ... + 51175.

It is an arithmetic number, because the mean of its divisors is an integer number (24662608).

Almost surely, 2^254109247 is an apocalyptic number.

254109247 is a deficient number, since it is larger than the sum of its proper divisors (41842049).

254109247 is an equidigital number, since it uses as much as digits as its factorization.

254109247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238 (or 6231 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 254109247 is about 15940.8044652709. The cubic root of 254109247 is about 633.3933359279.

The spelling of 254109247 in words is "two hundred fifty-four million, one hundred nine thousand, two hundred forty-seven".