431097 has 4 divisors (see below), whose sum is σ = 574800. Its totient is φ = 287396.

The previous prime is 431083. The next prime is 431099. The reversal of 431097 is 790134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431097 - 2⁸ = 430841 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (431099) 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, 71847 + ... + 71852.

It is an arithmetic number, because the mean of its divisors is an integer number (143700).

2⁴³¹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

431097 is a deficient number, since it is larger than the sum of its proper divisors (143703).

431097 is a wasteful number, since it uses less digits than its factorization.

431097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143702.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 431097 is about 656.5797742849. The cubic root of 431097 is about 75.5425545521.

The spelling of 431097 in words is "four hundred thirty-one thousand, ninety-seven".