2652181 has 4 divisors (see below), whose sum is σ = 3031072. Its totient is φ = 2273292.

The previous prime is 2652179. The next prime is 2652203. The reversal of 2652181 is 1812562.

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 not a de Polignac number, because 2652181 - 2¹ = 2652179 is a prime.

It is a super-3 number, since 3×2652181³ = 55966833132373337223, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652101) 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, 189435 + ... + 189448.

It is an arithmetic number, because the mean of its divisors is an integer number (757768).

2^2652181 is an apocalyptic number.

It is an amenable number.

2652181 is a deficient number, since it is larger than the sum of its proper divisors (378891).

2652181 is an equidigital number, since it uses as much as digits as its factorization.

2652181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378890.

The product of its digits is 960, while the sum is 25.

The square root of 2652181 is about 1628.5518106588. The cubic root of 2652181 is about 138.4207038257.

The spelling of 2652181 in words is "two million, six hundred fifty-two thousand, one hundred eighty-one".