213799953 has 8 divisors (see below), whose sum is σ = 292019616. Its totient is φ = 139056800.

The previous prime is 213799921. The next prime is 213799961. The reversal of 213799953 is 359997312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213799953 - 2⁵ = 213799921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213799253) 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, 868983 + ... + 869228.

It is an arithmetic number, because the mean of its divisors is an integer number (36502452).

Almost surely, 2^213799953 is an apocalyptic number.

It is an amenable number.

213799953 is a deficient number, since it is larger than the sum of its proper divisors (78219663).

213799953 is a wasteful number, since it uses less digits than its factorization.

213799953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738255.

The product of its digits is 459270, while the sum is 48.

The square root of 213799953 is about 14621.8997739692. The cubic root of 213799953 is about 597.9559638792.

The spelling of 213799953 in words is "two hundred thirteen million, seven hundred ninety-nine thousand, nine hundred fifty-three".