403375 has 16 divisors (see below), whose sum is σ = 576576. Its totient is φ = 276000.

The previous prime is 403369. The next prime is 403387. The reversal of 403375 is 573304.

It is not a de Polignac number, because 403375 - 2⁹ = 402863 is a prime.

It is a super-2 number, since 2×403375² = 325422781250, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2⁴⁰³³⁷⁵ is an apocalyptic number.

403375 is a deficient number, since it is larger than the sum of its proper divisors (173201).

403375 is an equidigital number, since it uses as much as digits as its factorization.

403375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 403375 is about 635.1180992540. The cubic root of 403375 is about 73.8872766360.

Adding to 403375 its reverse (573304), we get a palindrome (976679).

The spelling of 403375 in words is "four hundred three thousand, three hundred seventy-five".