215112413 has 16 divisors (see below), whose sum is σ = 226176000. Its totient is φ = 204379200.

The previous prime is 215112397. The next prime is 215112421. The reversal of 215112413 is 314211512.

It is a cyclic number.

It is not a de Polignac number, because 215112413 - 2⁴ = 215112397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215112493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430838 + ... + 431336.

It is an arithmetic number, because the mean of its divisors is an integer number (14136000).

Almost surely, 2^215112413 is an apocalyptic number.

It is an amenable number.

215112413 is a deficient number, since it is larger than the sum of its proper divisors (11063587).

215112413 is a wasteful number, since it uses less digits than its factorization.

215112413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 240, while the sum is 20.

The square root of 215112413 is about 14666.7110491753. The cubic root of 215112413 is about 599.1770319071.

Adding to 215112413 its reverse (314211512), we get a palindrome (529323925).

Subtracting 215112413 from its reverse (314211512), we obtain a palindrome (99099099).

The spelling of 215112413 in words is "two hundred fifteen million, one hundred twelve thousand, four hundred thirteen".