213609601 has 8 divisors (see below), whose sum is σ = 219547520. Its totient is φ = 207752688.

The previous prime is 213609593. The next prime is 213609611. The reversal of 213609601 is 106906312.

213609601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213609601 - 2³ = 213609593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213609601.

It is not an unprimeable number, because it can be changed into a prime (213609611) 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, 14886 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (27443440).

Almost surely, 2^213609601 is an apocalyptic number.

It is an amenable number.

213609601 is a deficient number, since it is larger than the sum of its proper divisors (5937919).

213609601 is an equidigital number, since it uses as much as digits as its factorization.

213609601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40503.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 213609601 is about 14615.3891840074. The cubic root of 213609601 is about 597.7784522873.

The spelling of 213609601 in words is "two hundred thirteen million, six hundred nine thousand, six hundred one".