461131279 has 4 divisors (see below), whose sum is σ = 527007184. Its totient is φ = 395255376.

The previous prime is 461131277. The next prime is 461131283. The reversal of 461131279 is 972131164.

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 461131279 - 2¹ = 461131277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461131271) 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, 32937942 + ... + 32937955.

It is an arithmetic number, because the mean of its divisors is an integer number (131751796).

Almost surely, 2^461131279 is an apocalyptic number.

461131279 is a deficient number, since it is larger than the sum of its proper divisors (65875905).

461131279 is an equidigital number, since it uses as much as digits as its factorization.

461131279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65875904.

The product of its digits is 9072, while the sum is 34.

The square root of 461131279 is about 21473.9674722674. The cubic root of 461131279 is about 772.5765596176.

The spelling of 461131279 in words is "four hundred sixty-one million, one hundred thirty-one thousand, two hundred seventy-nine".