254682161 has 4 divisors (see below), whose sum is σ = 254806512. Its totient is φ = 254557812.

The previous prime is 254682157. The next prime is 254682167. The reversal of 254682161 is 161286452.

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 254682161 - 2² = 254682157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254682167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59051 + ... + 63216.

It is an arithmetic number, because the mean of its divisors is an integer number (63701628).

Almost surely, 2^254682161 is an apocalyptic number.

It is an amenable number.

254682161 is a deficient number, since it is larger than the sum of its proper divisors (124351).

254682161 is a wasteful number, since it uses less digits than its factorization.

254682161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124350.

The product of its digits is 23040, while the sum is 35.

The square root of 254682161 is about 15958.7643945263. The cubic root of 254682161 is about 633.8689942507.

The spelling of 254682161 in words is "two hundred fifty-four million, six hundred eighty-two thousand, one hundred sixty-one".