215054001 has 16 divisors (see below), whose sum is σ = 320385600. Its totient is φ = 142565184.

The previous prime is 215053981. The next prime is 215054023. The reversal of 215054001 is 100450512.

It is not a de Polignac number, because 215054001 - 2¹¹ = 215051953 is a prime.

It is a super-2 number, since 2×215054001² = 92496446692216002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215054041) 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, 17416 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (20024100).

Almost surely, 2^215054001 is an apocalyptic number.

It is an amenable number.

215054001 is a deficient number, since it is larger than the sum of its proper divisors (105331599).

215054001 is a wasteful number, since it uses less digits than its factorization.

215054001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44685 (or 44679 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 215054001 is about 14664.7196018199. The cubic root of 215054001 is about 599.1227931385.

The spelling of 215054001 in words is "two hundred fifteen million, fifty-four thousand, one".