213250982 has 16 divisors (see below), whose sum is σ = 365789952. Its totient is φ = 91339080.

The previous prime is 213250981. The next prime is 213250991. The reversal of 213250982 is 289052312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213250981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28007 + ... + 34797.

It is an arithmetic number, because the mean of its divisors is an integer number (22861872).

Almost surely, 2^213250982 is an apocalyptic number.

213250982 is a deficient number, since it is larger than the sum of its proper divisors (152538970).

213250982 is a wasteful number, since it uses less digits than its factorization.

213250982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9043.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 213250982 is about 14603.1154895111. The cubic root of 213250982 is about 597.4437376340.

The spelling of 213250982 in words is "two hundred thirteen million, two hundred fifty thousand, nine hundred eighty-two".