215054272 has 14 divisors (see below), whose sum is σ = 426748448. Its totient is φ = 107527104.

The previous prime is 215054239. The next prime is 215054299. The reversal of 215054272 is 272450512.

215054272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215054272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680048 + ... + 1680175.

It is an arithmetic number, because the mean of its divisors is an integer number (30482032).

Almost surely, 2^215054272 is an apocalyptic number.

It is an amenable number.

215054272 is a deficient number, since it is larger than the sum of its proper divisors (211694176).

215054272 is an equidigital number, since it uses as much as digits as its factorization.

215054272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360235 (or 3360225 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 215054272 is about 14664.7288416800. The cubic root of 215054272 is about 599.1230447997.

The spelling of 215054272 in words is "two hundred fifteen million, fifty-four thousand, two hundred seventy-two".