213233542 has 16 divisors (see below), whose sum is σ = 337089600. Its totient is φ = 100883880.

The previous prime is 213233521. The next prime is 213233543. The reversal of 213233542 is 245332312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213233543) 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, 34009 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (21068100).

Almost surely, 2^213233542 is an apocalyptic number.

213233542 is a deficient number, since it is larger than the sum of its proper divisors (123856058).

213233542 is a wasteful number, since it uses less digits than its factorization.

213233542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771.

The product of its digits is 4320, while the sum is 25.

The square root of 213233542 is about 14602.5183444500. The cubic root of 213233542 is about 597.4274505612.

Adding to 213233542 its reverse (245332312), we get a palindrome (458565854).

The spelling of 213233542 in words is "two hundred thirteen million, two hundred thirty-three thousand, five hundred forty-two".