215147013 has 8 divisors (see below), whose sum is σ = 301960800. Its totient is φ = 135882288.

The previous prime is 215147003. The next prime is 215147041. The reversal of 215147013 is 310741512.

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

It is not a de Polignac number, because 215147013 - 2¹⁰ = 215145989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215147003) 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, 1887198 + ... + 1887311.

It is an arithmetic number, because the mean of its divisors is an integer number (37745100).

Almost surely, 2^215147013 is an apocalyptic number.

It is an amenable number.

215147013 is a deficient number, since it is larger than the sum of its proper divisors (86813787).

215147013 is a wasteful number, since it uses less digits than its factorization.

215147013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774531.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 215147013 is about 14667.8905436331. The cubic root of 215147013 is about 599.2091552879.

Adding to 215147013 its reverse (310741512), we get a palindrome (525888525).

The spelling of 215147013 in words is "two hundred fifteen million, one hundred forty-seven thousand, thirteen".