463211531 has 2 divisors, whose sum is σ = 463211532. Its totient is φ = 463211530.

The previous prime is 463211527. The next prime is 463211549. The reversal of 463211531 is 135112364.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 463211531 - 2² = 463211527 is a prime.

It is a super-2 number, since 2×463211531² = 429129844902727922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_24515603 and since 463211531 and 24515603 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 463211531.

It is not a weakly prime, because it can be changed into another prime (463211831) 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, 231605765 + 231605766.

It is an arithmetic number, because the mean of its divisors is an integer number (231605766).

Almost surely, 2^463211531 is an apocalyptic number.

463211531 is a deficient number, since it is larger than the sum of its proper divisors (1).

463211531 is an equidigital number, since it uses as much as digits as its factorization.

463211531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 463211531 is about 21522.3495696915. The cubic root of 463211531 is about 773.7365642396.

Adding to 463211531 its reverse (135112364), we get a palindrome (598323895).

The spelling of 463211531 in words is "four hundred sixty-three million, two hundred eleven thousand, five hundred thirty-one".