2254161 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1134144.

The previous prime is 2254159. The next prime is 2254177. The reversal of 2254161 is 1614522.

It is not a de Polignac number, because 2254161 - 2¹ = 2254159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2254111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6100 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2254161 is an apocalyptic number.

2254161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2254161 is a deficient number, since it is larger than the sum of its proper divisors (1616559).

2254161 is a wasteful number, since it uses less digits than its factorization.

2254161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 480, while the sum is 21.

The square root of 2254161 is about 1501.3863593359. The cubic root of 2254161 is about 131.1177970406.

Adding to 2254161 its reverse (1614522), we get a palindrome (3868683).

It can be divided in two parts, 2254 and 161, that added together give a triangular number (2415 = T₆₉).

The spelling of 2254161 in words is "two million, two hundred fifty-four thousand, one hundred sixty-one".