2554161 has 4 divisors (see below), whose sum is σ = 3405552. Its totient is φ = 1702772.

The previous prime is 2554141. The next prime is 2554171. The reversal of 2554161 is 1614552.

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 2554161 - 2⁵ = 2554129 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2554141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425691 + ... + 425696.

It is an arithmetic number, because the mean of its divisors is an integer number (851388).

2^2554161 is an apocalyptic number.

It is an amenable number.

2554161 is a deficient number, since it is larger than the sum of its proper divisors (851391).

2554161 is an equidigital number, since it uses as much as digits as its factorization.

2554161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851390.

The product of its digits is 1200, while the sum is 24.

The square root of 2554161 is about 1598.1742708478. The cubic root of 2554161 is about 136.6939908351.

The spelling of 2554161 in words is "two million, five hundred fifty-four thousand, one hundred sixty-one".