401375 has 24 divisors (see below), whose sum is σ = 570960. Its totient is φ = 280800.

The previous prime is 401371. The next prime is 401381. The reversal of 401375 is 573104.

It is a happy number.

It is not a de Polignac number, because 401375 - 2² = 401371 is a prime.

It is a super-2 number, since 2×401375² = 322203781250, which contains 22 as substring.

401375 is a Rhonda number in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21116 + ... + 21134.

It is an arithmetic number, because the mean of its divisors is an integer number (23790).

2⁴⁰¹³⁷⁵ is an apocalyptic number.

401375 is a deficient number, since it is larger than the sum of its proper divisors (169585).

401375 is a wasteful number, since it uses less digits than its factorization.

401375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 401375 is about 633.5416324126. The cubic root of 401375 is about 73.7649591412.

Adding to 401375 its reverse (573104), we get a palindrome (974479).

The spelling of 401375 in words is "four hundred one thousand, three hundred seventy-five".