213610833 has 12 divisors (see below), whose sum is σ = 308702160. Its totient is φ = 142336536.

The previous prime is 213610783. The next prime is 213610847. The reversal of 213610833 is 338016312.

It is a happy number.

213610833 is a `hidden beast` number, since 2 + 13 + 610 + 8 + 33 = 666.

It is not a de Polignac number, because 213610833 - 2⁸ = 213610577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213610797 and 213610806.

It is not an unprimeable number, because it can be changed into a prime (213610883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18610 + ... + 27812.

It is an arithmetic number, because the mean of its divisors is an integer number (25725180).

Almost surely, 2^213610833 is an apocalyptic number.

It is an amenable number.

213610833 is a deficient number, since it is larger than the sum of its proper divisors (95091327).

213610833 is a wasteful number, since it uses less digits than its factorization.

213610833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788 (or 11785 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 213610833 is about 14615.4313313019. The cubic root of 213610833 is about 597.7796015204.

The spelling of 213610833 in words is "two hundred thirteen million, six hundred ten thousand, eight hundred thirty-three".