254117019 has 12 divisors (see below), whose sum is σ = 366891576. Its totient is φ = 156379392.

The previous prime is 254116991. The next prime is 254117029. The reversal of 254117019 is 910711452.

254117019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254117019 - 2¹⁵ = 254084251 is a prime.

It is a super-2 number, since 2×254117019² = 129150918690892722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254117029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250102 + ... + 251115.

It is an arithmetic number, because the mean of its divisors is an integer number (30574298).

Almost surely, 2^254117019 is an apocalyptic number.

254117019 is a deficient number, since it is larger than the sum of its proper divisors (112774557).

254117019 is a wasteful number, since it uses less digits than its factorization.

254117019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501246 (or 501233 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 254117019 is about 15941.0482403134. The cubic root of 254117019 is about 633.3997933642.

The spelling of 254117019 in words is "two hundred fifty-four million, one hundred seventeen thousand, nineteen".