213424435 has 16 divisors (see below), whose sum is σ = 308102400. Its totient is φ = 138645216.

The previous prime is 213424411. The next prime is 213424439. The reversal of 213424435 is 534424312.

It is a happy number.

213424435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213424435 - 2¹⁷ = 213293363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213424439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159805 + ... + 161134.

It is an arithmetic number, because the mean of its divisors is an integer number (19256400).

Almost surely, 2^213424435 is an apocalyptic number.

213424435 is a deficient number, since it is larger than the sum of its proper divisors (94677965).

213424435 is a wasteful number, since it uses less digits than its factorization.

213424435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320970.

The product of its digits is 11520, while the sum is 28.

The square root of 213424435 is about 14609.0531862951. The cubic root of 213424435 is about 597.6056756535.

Adding to 213424435 its reverse (534424312), we get a palindrome (747848747).

It can be divided in two parts, 2134 and 24435, that added together give a square (26569 = 163²).

The spelling of 213424435 in words is "two hundred thirteen million, four hundred twenty-four thousand, four hundred thirty-five".