431375 has 32 divisors (see below), whose sum is σ = 673920. Its totient is φ = 268800.

The previous prime is 431369. The next prime is 431377. The reversal of 431375 is 573134.

It is a happy number.

It is not a de Polignac number, because 431375 - 2⁶ = 431311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14861 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (21060).

2⁴³¹³⁷⁵ is an apocalyptic number.

431375 is a deficient number, since it is larger than the sum of its proper divisors (242545).

431375 is a wasteful number, since it uses less digits than its factorization.

431375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 58 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 431375 is about 656.7914433060. The cubic root of 431375 is about 75.5587893496.

The spelling of 431375 in words is "four hundred thirty-one thousand, three hundred seventy-five".