213602042 has 8 divisors (see below), whose sum is σ = 339250356. Its totient is φ = 100518592.

The previous prime is 213602041. The next prime is 213602057. The reversal of 213602042 is 240206312.

It can be written as a sum of positive squares in 2 ways, for example, as 207043321 + 6558721 = 14389^2 + 2561^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213602041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3141173 + ... + 3141240.

Almost surely, 2^213602042 is an apocalyptic number.

213602042 is a deficient number, since it is larger than the sum of its proper divisors (125648314).

213602042 is a wasteful number, since it uses less digits than its factorization.

213602042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282432.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213602042 is about 14615.1305844320. The cubic root of 213602042 is about 597.7714010115.

Adding to 213602042 its reverse (240206312), we get a palindrome (453808354).

It can be divided in two parts, 21 and 3602042, that added together give a palindrome (3602063).

The spelling of 213602042 in words is "two hundred thirteen million, six hundred two thousand, forty-two".