2173401 has 6 divisors (see below), whose sum is σ = 3139370. Its totient is φ = 1448928.

The previous prime is 2173393. The next prime is 2173411. The reversal of 2173401 is 1043712.

It can be written as a sum of positive squares in only one way, i.e., 1565001 + 608400 = 1251^2 + 780^2 .

It is not a de Polignac number, because 2173401 - 2³ = 2173393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2173411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120736 + ... + 120753.

2^2173401 is an apocalyptic number.

It is an amenable number.

2173401 is a deficient number, since it is larger than the sum of its proper divisors (965969).

2173401 is a wasteful number, since it uses less digits than its factorization.

2173401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241495 (or 241492 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2173401 is about 1474.2459089311. The cubic root of 2173401 is about 129.5328598853.

The spelling of 2173401 in words is "two million, one hundred seventy-three thousand, four hundred one".