213969552 has 40 divisors (see below), whose sum is σ = 576790464. Its totient is φ = 68221824.

The previous prime is 213969551. The next prime is 213969563. The reversal of 213969552 is 255969312.

213969552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213969551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 95803 + ... + 98010.

Almost surely, 2^213969552 is an apocalyptic number.

It is an amenable number.

213969552 is an abundant number, since it is smaller than the sum of its proper divisors (362820912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213969552 is a wasteful number, since it uses less digits than its factorization.

213969552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193847 (or 193841 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 213969552 is about 14627.6981100924. The cubic root of 213969552 is about 598.1140336517.

The spelling of 213969552 in words is "two hundred thirteen million, nine hundred sixty-nine thousand, five hundred fifty-two".