213410242 has 16 divisors (see below), whose sum is σ = 337248000. Its totient is φ = 101003760.

The previous prime is 213410237. The next prime is 213410251. The reversal of 213410242 is 242014312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87759 + ... + 90157.

It is an arithmetic number, because the mean of its divisors is an integer number (21078000).

Almost surely, 2^213410242 is an apocalyptic number.

213410242 is a deficient number, since it is larger than the sum of its proper divisors (123837758).

213410242 is a wasteful number, since it uses less digits than its factorization.

213410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 213410242 is about 14608.5674177860. The cubic root of 213410242 is about 597.5924281773.

Adding to 213410242 its reverse (242014312), we get a palindrome (455424554).

It can be divided in two parts, 2 and 13410242, that added together give a square (13410244 = 3662²).

The spelling of 213410242 in words is "two hundred thirteen million, four hundred ten thousand, two hundred forty-two".