213553412 has 12 divisors (see below), whose sum is σ = 374100300. Its totient is φ = 106667616.

The previous prime is 213553399. The next prime is 213553423. The reversal of 213553412 is 214355312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74926336 + 138627076 = 8656^2 + 11774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22787 + ... + 30762.

It is an arithmetic number, because the mean of its divisors is an integer number (31175025).

Almost surely, 2^213553412 is an apocalyptic number.

It is an amenable number.

213553412 is a deficient number, since it is larger than the sum of its proper divisors (160546888).

213553412 is a wasteful number, since it uses less digits than its factorization.

213553412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54550 (or 54548 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 213553412 is about 14613.4668029185. The cubic root of 213553412 is about 597.7260334216.

The spelling of 213553412 in words is "two hundred thirteen million, five hundred fifty-three thousand, four hundred twelve".