401875 has 10 divisors (see below), whose sum is σ = 502964. Its totient is φ = 321000.

The previous prime is 401867. The next prime is 401887. The reversal of 401875 is 578104.

It is not a de Polignac number, because 401875 - 2³ = 401867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 304 + ... + 946.

2⁴⁰¹⁸⁷⁵ is an apocalyptic number.

401875 is a deficient number, since it is larger than the sum of its proper divisors (101089).

401875 is an frugal number, since it uses more digits than its factorization.

401875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 401875 is about 633.9361166553. The cubic root of 401875 is about 73.7955765398.

Adding to 401875 its reverse (578104), we get a palindrome (979979).

The spelling of 401875 in words is "four hundred one thousand, eight hundred seventy-five".