215485361 has 8 divisors (see below), whose sum is σ = 265212864. Its totient is φ = 170493840.

The previous prime is 215485351. The next prime is 215485363. The reversal of 215485361 is 163584512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215485361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215485363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183895 + ... + 1184076.

It is an arithmetic number, because the mean of its divisors is an integer number (33151608).

Almost surely, 2^215485361 is an apocalyptic number.

It is an amenable number.

215485361 is a deficient number, since it is larger than the sum of its proper divisors (49727503).

215485361 is a wasteful number, since it uses less digits than its factorization.

215485361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367991.

The product of its digits is 28800, while the sum is 35.

The square root of 215485361 is about 14679.4196411166. The cubic root of 215485361 is about 599.5231034573.

The spelling of 215485361 in words is "two hundred fifteen million, four hundred eighty-five thousand, three hundred sixty-one".