213213004 has 6 divisors (see below), whose sum is σ = 373122764. Its totient is φ = 106606500.

The previous prime is 213213001. The next prime is 213213019. The reversal of 213213004 is 400312312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213213001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26651622 + ... + 26651629.

Almost surely, 2^213213004 is an apocalyptic number.

It is an amenable number.

213213004 is a deficient number, since it is larger than the sum of its proper divisors (159909760).

213213004 is a wasteful number, since it uses less digits than its factorization.

213213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53303255 (or 53303253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213213004 is about 14601.8150926520. The cubic root of 213213004 is about 597.4082691528.

Adding to 213213004 its reverse (400312312), we get a palindrome (613525316).

The spelling of 213213004 in words is "two hundred thirteen million, two hundred thirteen thousand, four".