215045013 has 8 divisors (see below), whose sum is σ = 290765376. Its totient is φ = 141344000.

The previous prime is 215045011. The next prime is 215045071. The reversal of 215045013 is 310540512.

215045013 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 a cyclic number.

It is not a de Polignac number, because 215045013 - 2¹ = 215045011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215045011) 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, 504588 + ... + 505013.

It is an arithmetic number, because the mean of its divisors is an integer number (36345672).

Almost surely, 2^215045013 is an apocalyptic number.

It is an amenable number.

215045013 is a deficient number, since it is larger than the sum of its proper divisors (75720363).

215045013 is a wasteful number, since it uses less digits than its factorization.

215045013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009675.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 215045013 is about 14664.4131488444. The cubic root of 215045013 is about 599.1144464122.

Adding to 215045013 its reverse (310540512), we get a palindrome (525585525).

The spelling of 215045013 in words is "two hundred fifteen million, forty-five thousand, thirteen".