213424550 has 12 divisors (see below), whose sum is σ = 396969756. Its totient is φ = 85369800.

The previous prime is 213424531. The next prime is 213424559. The reversal of 213424550 is 55424312.

It is a happy number.

213424550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213424559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134196 + ... + 2134295.

It is an arithmetic number, because the mean of its divisors is an integer number (33080813).

Almost surely, 2^213424550 is an apocalyptic number.

213424550 is a deficient number, since it is larger than the sum of its proper divisors (183545206).

213424550 is a wasteful number, since it uses less digits than its factorization.

213424550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268503 (or 4268498 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 213424550 is about 14609.0571222102. The cubic root of 213424550 is about 597.6057829900.

Adding to 213424550 its reverse (55424312), we get a palindrome (268848862).

The spelling of 213424550 in words is "two hundred thirteen million, four hundred twenty-four thousand, five hundred fifty".