213330413 has 4 divisors (see below), whose sum is σ = 213378780. Its totient is φ = 213282048.

The previous prime is 213330379. The next prime is 213330473. The reversal of 213330413 is 314033312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182439049 + 30891364 = 13507^2 + 5558^2 .

It is a cyclic number.

It is not a de Polignac number, because 213330413 - 2⁶ = 213330349 is a prime.

It is a super-2 number, since 2×213330413² = 91019730221501138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16820 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (53344695).

Almost surely, 2^213330413 is an apocalyptic number.

It is an amenable number.

213330413 is a deficient number, since it is larger than the sum of its proper divisors (48367).

213330413 is an equidigital number, since it uses as much as digits as its factorization.

213330413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48366.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 213330413 is about 14605.8348956847. The cubic root of 213330413 is about 597.5179063628.

Adding to 213330413 its reverse (314033312), we get a palindrome (527363725).

The spelling of 213330413 in words is "two hundred thirteen million, three hundred thirty thousand, four hundred thirteen".