254661117 has 4 divisors (see below), whose sum is σ = 339548160. Its totient is φ = 169774076.

The previous prime is 254661107. The next prime is 254661133. The reversal of 254661117 is 711166452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254661117 - 2¹⁶ = 254595581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254661107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42443517 + ... + 42443522.

It is an arithmetic number, because the mean of its divisors is an integer number (84887040).

Almost surely, 2^254661117 is an apocalyptic number.

It is an amenable number.

254661117 is a deficient number, since it is larger than the sum of its proper divisors (84887043).

254661117 is an equidigital number, since it uses as much as digits as its factorization.

254661117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84887042.

The product of its digits is 10080, while the sum is 33.

The square root of 254661117 is about 15958.1050566789. The cubic root of 254661117 is about 633.8515352259.

The spelling of 254661117 in words is "two hundred fifty-four million, six hundred sixty-one thousand, one hundred seventeen".