4213181 has 4 divisors (see below), whose sum is σ = 4815072. Its totient is φ = 3611292.

The previous prime is 4213159. The next prime is 4213189. The reversal of 4213181 is 1813124.

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 a de Polignac number, because none of the positive numbers 2^k-4213181 is a prime.

It is a super-2 number, since 2×4213181² = 35501788277522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213189) 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, 300935 + ... + 300948.

It is an arithmetic number, because the mean of its divisors is an integer number (1203768).

Almost surely, 2^4213181 is an apocalyptic number.

It is an amenable number.

4213181 is a deficient number, since it is larger than the sum of its proper divisors (601891).

4213181 is an equidigital number, since it uses as much as digits as its factorization.

4213181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601890.

The product of its digits is 192, while the sum is 20.

The square root of 4213181 is about 2052.6034687684. The cubic root of 4213181 is about 161.5114709077.

The spelling of 4213181 in words is "four million, two hundred thirteen thousand, one hundred eighty-one".