461132431 has 4 divisors (see below), whose sum is σ = 462969864. Its totient is φ = 459295000.

The previous prime is 461132381. The next prime is 461132447. The reversal of 461132431 is 134231164.

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 461132431 - 2⁷ = 461132303 is a prime.

It is a super-2 number, since 2×461132431² = 425286237839939522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461132396 and 461132405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461132131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918340 + ... + 918841.

It is an arithmetic number, because the mean of its divisors is an integer number (115742466).

Almost surely, 2^461132431 is an apocalyptic number.

461132431 is a deficient number, since it is larger than the sum of its proper divisors (1837433).

461132431 is a wasteful number, since it uses less digits than its factorization.

461132431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837432.

The product of its digits is 1728, while the sum is 25.

The square root of 461132431 is about 21473.9942954263. The cubic root of 461132431 is about 772.5772029683.

Adding to 461132431 its reverse (134231164), we get a palindrome (595363595).

The spelling of 461132431 in words is "four hundred sixty-one million, one hundred thirty-two thousand, four hundred thirty-one".