4552181 has 4 divisors (see below), whose sum is σ = 4620192. Its totient is φ = 4484172.

The previous prime is 4552151. The next prime is 4552187. The reversal of 4552181 is 1812554.

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 4552181 - 2¹⁸ = 4290037 is a prime.

It is a super-2 number, since 2×4552181² = 41444703713522, 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 4552181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552187) 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, 33905 + ... + 34038.

It is an arithmetic number, because the mean of its divisors is an integer number (1155048).

Almost surely, 2^4552181 is an apocalyptic number.

It is an amenable number.

4552181 is a deficient number, since it is larger than the sum of its proper divisors (68011).

4552181 is an equidigital number, since it uses as much as digits as its factorization.

4552181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68010.

The product of its digits is 1600, while the sum is 26.

The square root of 4552181 is about 2133.5840738063. The cubic root of 4552181 is about 165.7320518790.

The spelling of 4552181 in words is "four million, five hundred fifty-two thousand, one hundred eighty-one".