213042415 has 8 divisors (see below), whose sum is σ = 258523920. Its totient is φ = 168518592.

The previous prime is 213042413. The next prime is 213042433. The reversal of 213042415 is 514240312.

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 213042415 - 2¹ = 213042413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042413) 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, 238929 + ... + 239818.

It is an arithmetic number, because the mean of its divisors is an integer number (32315490).

Almost surely, 2^213042415 is an apocalyptic number.

213042415 is a deficient number, since it is larger than the sum of its proper divisors (45481505).

213042415 is an equidigital number, since it uses as much as digits as its factorization.

213042415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478841.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 213042415 is about 14595.9725609498. The cubic root of 213042415 is about 597.2489004015.

Adding to 213042415 its reverse (514240312), we get a palindrome (727282727).

The spelling of 213042415 in words is "two hundred thirteen million, forty-two thousand, four hundred fifteen".