801975 has 36 divisors (see below), whose sum is σ = 1446584. Its totient is φ = 391680.

The previous prime is 801973. The next prime is 801989. The reversal of 801975 is 579108.

It is not a de Polignac number, because 801975 - 2¹ = 801973 is a prime.

It is a Duffinian number.

801975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801973) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21657 + ... + 21693.

2⁸⁰¹⁹⁷⁵ is an apocalyptic number.

801975 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

801975 is a deficient number, since it is larger than the sum of its proper divisors (644609).

801975 is a wasteful number, since it uses less digits than its factorization.

801975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 801975 is about 895.5305689925. The cubic root of 801975 is about 92.9081067096.

The spelling of 801975 in words is "eight hundred one thousand, nine hundred seventy-five".