213032450 has 12 divisors (see below), whose sum is σ = 396240450. Its totient is φ = 85212960.

The previous prime is 213032431. The next prime is 213032483. The reversal of 213032450 is 54230312.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 172213129 + 40819321 = 13123^2 + 6389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2130275 + ... + 2130374.

Almost surely, 2^213032450 is an apocalyptic number.

213032450 is a deficient number, since it is larger than the sum of its proper divisors (183208000).

213032450 is a wasteful number, since it uses less digits than its factorization.

213032450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260661 (or 4260656 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 213032450 is about 14595.6311956695. The cubic root of 213032450 is about 597.2395882056.

Adding to 213032450 its reverse (54230312), we get a palindrome (267262762).

The spelling of 213032450 in words is "two hundred thirteen million, thirty-two thousand, four hundred fifty".