213454982 has 16 divisors (see below), whose sum is σ = 350467152. Its totient is φ = 96901920.

The previous prime is 213454981. The next prime is 213454991. The reversal of 213454982 is 289454312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213454981) 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, 65708 + ... + 68879.

It is an arithmetic number, because the mean of its divisors is an integer number (21904197).

Almost surely, 2^213454982 is an apocalyptic number.

213454982 is a deficient number, since it is larger than the sum of its proper divisors (137012170).

213454982 is a wasteful number, since it uses less digits than its factorization.

213454982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134663.

The product of its digits is 69120, while the sum is 38.

The square root of 213454982 is about 14610.0986307417. The cubic root of 213454982 is about 597.6341856501.

The spelling of 213454982 in words is "two hundred thirteen million, four hundred fifty-four thousand, nine hundred eighty-two".