213348405 has 8 divisors (see below), whose sum is σ = 341357472. Its totient is φ = 113785808.

The previous prime is 213348371. The next prime is 213348433. The reversal of 213348405 is 504843312.

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 213348405 - 2⁷ = 213348277 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7111599 + ... + 7111628.

It is an arithmetic number, because the mean of its divisors is an integer number (42669684).

Almost surely, 2^213348405 is an apocalyptic number.

It is an amenable number.

213348405 is a deficient number, since it is larger than the sum of its proper divisors (128009067).

213348405 is a wasteful number, since it uses less digits than its factorization.

213348405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223235.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 213348405 is about 14606.4508009304. The cubic root of 213348405 is about 597.5347038426.

The spelling of 213348405 in words is "two hundred thirteen million, three hundred forty-eight thousand, four hundred five".