215042235 has 8 divisors (see below), whose sum is σ = 344067600. Its totient is φ = 114689184.

The previous prime is 215042207. The next prime is 215042237. The reversal of 215042235 is 532240512.

215042235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 215042235 - 2⁸ = 215041979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215042237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7168060 + ... + 7168089.

It is an arithmetic number, because the mean of its divisors is an integer number (43008450).

Almost surely, 2^215042235 is an apocalyptic number.

215042235 is a deficient number, since it is larger than the sum of its proper divisors (129025365).

215042235 is a wasteful number, since it uses less digits than its factorization.

215042235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336157.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 215042235 is about 14664.3184294395. The cubic root of 215042235 is about 599.1118665692. Note that the first 3 decimals are identical.

Adding to 215042235 its reverse (532240512), we get a palindrome (747282747).

The spelling of 215042235 in words is "two hundred fifteen million, forty-two thousand, two hundred thirty-five".