213532042 has 8 divisors (see below), whose sum is σ = 321060132. Its totient is φ = 106512000.

The previous prime is 213532031. The next prime is 213532057. The reversal of 213532042 is 240235312.

It can be written as a sum of positive squares in 2 ways, for example, as 126315121 + 87216921 = 11239^2 + 9339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125959 + ... + 127642.

Almost surely, 2^213532042 is an apocalyptic number.

213532042 is a deficient number, since it is larger than the sum of its proper divisors (107528090).

213532042 is a wasteful number, since it uses less digits than its factorization.

213532042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254024.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 213532042 is about 14612.7356097344. The cubic root of 213532042 is about 597.7060948789.

Adding to 213532042 its reverse (240235312), we get a palindrome (453767354).

The spelling of 213532042 in words is "two hundred thirteen million, five hundred thirty-two thousand, forty-two".