213252082 has 4 divisors (see below), whose sum is σ = 319878126. Its totient is φ = 106626040.

The previous prime is 213252079. The next prime is 213252119. The reversal of 213252082 is 280252312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210221001 + 3031081 = 14499^2 + 1741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53313019 + ... + 53313022.

Almost surely, 2^213252082 is an apocalyptic number.

213252082 is a deficient number, since it is larger than the sum of its proper divisors (106626044).

213252082 is a wasteful number, since it uses less digits than its factorization.

213252082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106626043.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 213252082 is about 14603.1531526585. The cubic root of 213252082 is about 597.4447648852. Note that the first 3 decimals are identical.

The spelling of 213252082 in words is "two hundred thirteen million, two hundred fifty-two thousand, eighty-two".