461332660531 has 4 divisors (see below), whose sum is σ = 461795382352. Its totient is φ = 460869938712.

The previous prime is 461332660511. The next prime is 461332660573. The reversal of 461332660531 is 135066233164.

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 461332660531 - 2¹⁷ = 461332529459 is a prime.

It is a super-2 number, since 2×461332660531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461332660501) 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 in 3 ways as a sum of consecutive naturals, for example, 231359415 + ... + 231361408.

It is an arithmetic number, because the mean of its divisors is an integer number (115448845588).

Almost surely, 2^461332660531 is an apocalyptic number.

461332660531 is a deficient number, since it is larger than the sum of its proper divisors (462721821).

461332660531 is an equidigital number, since it uses as much as digits as its factorization.

461332660531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462721820.

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 461332660531 its reverse (135066233164), we get a palindrome (596398893695).

The spelling of 461332660531 in words is "four hundred sixty-one billion, three hundred thirty-two million, six hundred sixty thousand, five hundred thirty-one".