431057027 has 4 divisors (see below), whose sum is σ = 432434520. Its totient is φ = 429679536.

The previous prime is 431057023. The next prime is 431057041. The reversal of 431057027 is 720750134.

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 431057027 - 2² = 431057023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431057023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688277 + ... + 688902.

It is an arithmetic number, because the mean of its divisors is an integer number (108108630).

Almost surely, 2^431057027 is an apocalyptic number.

431057027 is a deficient number, since it is larger than the sum of its proper divisors (1377493).

431057027 is a wasteful number, since it uses less digits than its factorization.

431057027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377492.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 431057027 is about 20761.9128935655. The cubic root of 431057027 is about 755.4021961286.

The spelling of 431057027 in words is "four hundred thirty-one million, fifty-seven thousand, twenty-seven".