4611631 has 2 divisors, whose sum is σ = 4611632. Its totient is φ = 4611630.

The previous prime is 4611613. The next prime is 4611637. The reversal of 4611631 is 1361164.

It is a happy number.

Together with previous prime (4611613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4611631 - 2⁹ = 4611119 is a prime.

It is a super-2 number, since 2×4611631² = 42534280960322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4611637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2305815 + 2305816.

It is an arithmetic number, because the mean of its divisors is an integer number (2305816).

Almost surely, 2^4611631 is an apocalyptic number.

4611631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4611631 is an equidigital number, since it uses as much as digits as its factorization.

4611631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 4611631 is about 2147.4708379859. The cubic root of 4611631 is about 166.4504026116.

Adding to 4611631 its reverse (1361164), we get a palindrome (5972795).

It can be divided in two parts, 461163 and 1, that added together give a palindrome (461164).

The spelling of 4611631 in words is "four million, six hundred eleven thousand, six hundred thirty-one".