2554432161 has 4 divisors (see below), whose sum is σ = 3405909552. Its totient is φ = 1702954772.

The previous prime is 2554432123. The next prime is 2554432183. The reversal of 2554432161 is 1612344552.

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 2554432161 - 2²² = 2550237857 is a prime.

It is a super-2 number, since 2×2554432161² = 13050247330302259842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2554432961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425738691 + ... + 425738696.

It is an arithmetic number, because the mean of its divisors is an integer number (851477388).

Almost surely, 2^2554432161 is an apocalyptic number.

It is an amenable number.

2554432161 is a deficient number, since it is larger than the sum of its proper divisors (851477391).

2554432161 is an equidigital number, since it uses as much as digits as its factorization.

2554432161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851477390.

The product of its digits is 28800, while the sum is 33.

The square root of 2554432161 is about 50541.3905724803. The cubic root of 2554432161 is about 1366.9882800967.

The spelling of 2554432161 in words is "two billion, five hundred fifty-four million, four hundred thirty-two thousand, one hundred sixty-one".