213345415 has 8 divisors (see below), whose sum is σ = 259620768. Its totient is φ = 168272160.

The previous prime is 213345397. The next prime is 213345439. The reversal of 213345415 is 514543312.

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

It is not a de Polignac number, because 213345415 - 2²¹ = 211248263 is a prime.

It is a super-2 number, since 2×213345415² = 91032532203044450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300132 + ... + 300841.

It is an arithmetic number, because the mean of its divisors is an integer number (32452596).

Almost surely, 2^213345415 is an apocalyptic number.

213345415 is a deficient number, since it is larger than the sum of its proper divisors (46275353).

213345415 is an equidigital number, since it uses as much as digits as its factorization.

213345415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601049.

The product of its digits is 7200, while the sum is 28.

The square root of 213345415 is about 14606.3484485343. The cubic root of 213345415 is about 597.5319124193.

Adding to 213345415 its reverse (514543312), we get a palindrome (727888727).

The spelling of 213345415 in words is "two hundred thirteen million, three hundred forty-five thousand, four hundred fifteen".