213453210 has 16 divisors (see below), whose sum is σ = 512287776. Its totient is φ = 56920848.

The previous prime is 213453203. The next prime is 213453211. The reversal of 213453210 is 12354312.

It is not an unprimeable number, because it can be changed into a prime (213453211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557524 + ... + 3557583.

It is an arithmetic number, because the mean of its divisors is an integer number (32017986).

Almost surely, 2^213453210 is an apocalyptic number.

213453210 is an abundant number, since it is smaller than the sum of its proper divisors (298834566).

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

213453210 is a wasteful number, since it uses less digits than its factorization.

213453210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115117.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213453210 is about 14610.0379876303. The cubic root of 213453210 is about 597.6325318889.

The spelling of 213453210 in words is "two hundred thirteen million, four hundred fifty-three thousand, two hundred ten".