461532271 has 4 divisors (see below), whose sum is σ = 462634200. Its totient is φ = 460430344.

The previous prime is 461532263. The next prime is 461532289. The reversal of 461532271 is 172235164.

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 461532271 - 2³ = 461532263 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461532221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550336 + ... + 551173.

It is an arithmetic number, because the mean of its divisors is an integer number (115658550).

Almost surely, 2^461532271 is an apocalyptic number.

461532271 is a deficient number, since it is larger than the sum of its proper divisors (1101929).

461532271 is a wasteful number, since it uses less digits than its factorization.

461532271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101928.

The product of its digits is 10080, while the sum is 31.

The square root of 461532271 is about 21483.3021437581. The cubic root of 461532271 is about 772.8004345957.

The spelling of 461532271 in words is "four hundred sixty-one million, five hundred thirty-two thousand, two hundred seventy-one".