213453286 has 16 divisors (see below), whose sum is σ = 324324000. Its totient is φ = 105352128.

The previous prime is 213453263. The next prime is 213453287. The reversal of 213453286 is 682354312.

213453286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213453287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70410 + ... + 73378.

It is an arithmetic number, because the mean of its divisors is an integer number (20270250).

Almost surely, 2^213453286 is an apocalyptic number.

213453286 is a deficient number, since it is larger than the sum of its proper divisors (110870714).

213453286 is a wasteful number, since it uses less digits than its factorization.

213453286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423.

The product of its digits is 34560, while the sum is 34.

The square root of 213453286 is about 14610.0405885815. The cubic root of 213453286 is about 597.6326028179.

The spelling of 213453286 in words is "two hundred thirteen million, four hundred fifty-three thousand, two hundred eighty-six".