2154001 has 4 divisors (see below), whose sum is σ = 2158912. Its totient is φ = 2149092.

The previous prime is 2153993. The next prime is 2154007. The reversal of 2154001 is 1004512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154001 - 2³ = 2153993 is a prime.

It is a Duffinian number.

2154001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2154007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (539728).

2^2154001 is an apocalyptic number.

It is an amenable number.

2154001 is a deficient number, since it is larger than the sum of its proper divisors (4911).

2154001 is an equidigital number, since it uses as much as digits as its factorization.

2154001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2154001 is about 1467.6515253970. The cubic root of 2154001 is about 129.1462995751.

Adding to 2154001 its reverse (1004512), we get a palindrome (3158513).

The spelling of 2154001 in words is "two million, one hundred fifty-four thousand, one".