4213631 has 4 divisors (see below), whose sum is σ = 4222512. Its totient is φ = 4204752.

The previous prime is 4213609. The next prime is 4213639. The reversal of 4213631 is 1363124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4213631 - 2⁶ = 4213567 is a prime.

It is a super-2 number, since 2×4213631² = 35509372408322, 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 (4213639) 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, 3686 + ... + 4691.

It is an arithmetic number, because the mean of its divisors is an integer number (1055628).

Almost surely, 2^4213631 is an apocalyptic number.

4213631 is a deficient number, since it is larger than the sum of its proper divisors (8881).

4213631 is an equidigital number, since it uses as much as digits as its factorization.

4213631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880.

The product of its digits is 432, while the sum is 20.

The square root of 4213631 is about 2052.7130827273. The cubic root of 4213631 is about 161.5172209237.

Adding to 4213631 its reverse (1363124), we get a palindrome (5576755).

The spelling of 4213631 in words is "four million, two hundred thirteen thousand, six hundred thirty-one".