4681631 has 2 divisors, whose sum is σ = 4681632. Its totient is φ = 4681630.

The previous prime is 4681609. The next prime is 4681637. The reversal of 4681631 is 1361864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4681631 - 2¹⁰ = 4680607 is a prime.

It is a super-2 number, since 2×4681631² = 43835337640322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4681594 and 4681603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4681637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2340815 + 2340816.

It is an arithmetic number, because the mean of its divisors is an integer number (2340816).

Almost surely, 2^4681631 is an apocalyptic number.

4681631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4681631 is an equidigital number, since it uses as much as digits as its factorization.

4681631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 4681631 is about 2163.7076974490. The cubic root of 4681631 is about 167.2883612031.

The spelling of 4681631 in words is "four million, six hundred eighty-one thousand, six hundred thirty-one".