2538161 has 8 divisors (see below), whose sum is σ = 2638944. Its totient is φ = 2439360.

The previous prime is 2538157. The next prime is 2538169. The reversal of 2538161 is 1618352.

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

It is a cyclic number.

It is not a de Polignac number, because 2538161 - 2² = 2538157 is a prime.

It is a super-2 number, since 2×2538161² = 12884522523842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2538161.

It is not an unprimeable number, because it can be changed into a prime (2538169) 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, 2441 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

2^2538161 is an apocalyptic number.

It is an amenable number.

2538161 is a deficient number, since it is larger than the sum of its proper divisors (100783).

2538161 is an equidigital number, since it uses as much as digits as its factorization.

2538161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 1440, while the sum is 26.

The square root of 2538161 is about 1593.1606949708. The cubic root of 2538161 is about 136.4079625730.

The spelling of 2538161 in words is "two million, five hundred thirty-eight thousand, one hundred sixty-one".