215414013 has 4 divisors (see below), whose sum is σ = 287218688. Its totient is φ = 143609340.

The previous prime is 215413937. The next prime is 215414027. The reversal of 215414013 is 310414512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 215414013 - 2²¹ = 213316861 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 (215414053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35902333 + ... + 35902338.

It is an arithmetic number, because the mean of its divisors is an integer number (71804672).

Almost surely, 2^215414013 is an apocalyptic number.

It is an amenable number.

215414013 is a deficient number, since it is larger than the sum of its proper divisors (71804675).

215414013 is an equidigital number, since it uses as much as digits as its factorization.

215414013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71804674.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 215414013 is about 14676.9892348533. The cubic root of 215414013 is about 599.4569280475.

Adding to 215414013 its reverse (310414512), we get a palindrome (525828525).

The spelling of 215414013 in words is "two hundred fifteen million, four hundred fourteen thousand, thirteen".