431159 has 4 divisors (see below), whose sum is σ = 432720. Its totient is φ = 429600.

The previous prime is 431153. The next prime is 431173. The reversal of 431159 is 951134.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431159 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 (431153) 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, 242 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (108180).

2⁴³¹¹⁵⁹ is an apocalyptic number.

431159 is a deficient number, since it is larger than the sum of its proper divisors (1561).

431159 is a wasteful number, since it uses less digits than its factorization.

431159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 540, while the sum is 23.

The square root of 431159 is about 656.6269869568. The cubic root of 431159 is about 75.5461758669.

The spelling of 431159 in words is "four hundred thirty-one thousand, one hundred fifty-nine".