254221161 has 8 divisors (see below), whose sum is σ = 339037920. Its totient is φ = 169442592.

The previous prime is 254221103. The next prime is 254221169. The reversal of 254221161 is 161122452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254221161 - 2¹⁰ = 254220137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254221169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15021 + ... + 27093.

It is an arithmetic number, because the mean of its divisors is an integer number (42379740).

Almost surely, 2^254221161 is an apocalyptic number.

It is an amenable number.

254221161 is a deficient number, since it is larger than the sum of its proper divisors (84816759).

254221161 is a wasteful number, since it uses less digits than its factorization.

254221161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095.

The product of its digits is 960, while the sum is 24.

The square root of 254221161 is about 15944.3143784861. The cubic root of 254221161 is about 633.4863079846.

The spelling of 254221161 in words is "two hundred fifty-four million, two hundred twenty-one thousand, one hundred sixty-one".