2154812001 has 16 divisors (see below), whose sum is σ = 2947158720. Its totient is φ = 1399668480.

The previous prime is 2154811987. The next prime is 2154812041. The reversal of 2154812001 is 1002184512.

It is not a de Polignac number, because 2154812001 - 2¹¹ = 2154809953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2154812041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32341 + ... + 73181.

It is an arithmetic number, because the mean of its divisors is an integer number (184197420).

Almost surely, 2^2154812001 is an apocalyptic number.

It is an amenable number.

2154812001 is a deficient number, since it is larger than the sum of its proper divisors (792346719).

2154812001 is a wasteful number, since it uses less digits than its factorization.

2154812001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41296.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2154812001 is about 46419.9526173821. The cubic root of 2154812001 is about 1291.6250579414.

Adding to 2154812001 its reverse (1002184512), we get a palindrome (3156996513).

The spelling of 2154812001 in words is "two billion, one hundred fifty-four million, eight hundred twelve thousand, one".