461206631 has 2 divisors, whose sum is σ = 461206632. Its totient is φ = 461206630.

The previous prime is 461206621. The next prime is 461206637. The reversal of 461206631 is 136602164.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461206631 - 2¹⁰ = 461205607 is a prime.

It is a super-2 number, since 2×461206631² = 425423112956740322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461206594 and 461206603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461206637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230603315 + 230603316.

It is an arithmetic number, because the mean of its divisors is an integer number (230603316).

Almost surely, 2^461206631 is an apocalyptic number.

461206631 is a deficient number, since it is larger than the sum of its proper divisors (1).

461206631 is an equidigital number, since it uses as much as digits as its factorization.

461206631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 461206631 is about 21475.7218970632. The cubic root of 461206631 is about 772.6186387542.

Adding to 461206631 its reverse (136602164), we get a palindrome (597808795).

The spelling of 461206631 in words is "four hundred sixty-one million, two hundred six thousand, six hundred thirty-one".