431876485 has 4 divisors (see below), whose sum is σ = 518251788. Its totient is φ = 345501184.

The previous prime is 431876453. The next prime is 431876491. The reversal of 431876485 is 584678134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270865764 + 161010721 = 16458^2 + 12689^2 .

It is a cyclic number.

It is not a de Polignac number, because 431876485 - 2⁵ = 431876453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 43187644 + ... + 43187653.

It is an arithmetic number, because the mean of its divisors is an integer number (129562947).

Almost surely, 2^431876485 is an apocalyptic number.

It is an amenable number.

431876485 is a deficient number, since it is larger than the sum of its proper divisors (86375303).

431876485 is an equidigital number, since it uses as much as digits as its factorization.

431876485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86375302.

The product of its digits is 645120, while the sum is 46.

The square root of 431876485 is about 20781.6381693071. The cubic root of 431876485 is about 755.8805771674.

The spelling of 431876485 in words is "four hundred thirty-one million, eight hundred seventy-six thousand, four hundred eighty-five".