213411426 has 32 divisors (see below), whose sum is σ = 435214080. Its totient is φ = 69751824.

The previous prime is 213411413. The next prime is 213411431. The reversal of 213411426 is 624114312.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 213411396 and 213411405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67681 + ... + 70763.

It is an arithmetic number, because the mean of its divisors is an integer number (13600440).

Almost surely, 2^213411426 is an apocalyptic number.

213411426 is an abundant number, since it is smaller than the sum of its proper divisors (221802654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213411426 is a wasteful number, since it uses less digits than its factorization.

213411426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310.

The product of its digits is 1152, while the sum is 24.

The square root of 213411426 is about 14608.6079418951. The cubic root of 213411426 is about 597.5935333229.

Adding to 213411426 its reverse (624114312), we get a palindrome (837525738).

The spelling of 213411426 in words is "two hundred thirteen million, four hundred eleven thousand, four hundred twenty-six".