213373405 has 8 divisors (see below), whose sum is σ = 292626432. Its totient is φ = 146313168.

The previous prime is 213373399. The next prime is 213373427. The reversal of 213373405 is 504373312.

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 213373405 - 2⁹ = 213372893 is a prime.

It is a super-2 number, since 2×213373405² = 91056419922588050, which contains 22 as substring.

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, 3048157 + ... + 3048226.

It is an arithmetic number, because the mean of its divisors is an integer number (36578304).

Almost surely, 2^213373405 is an apocalyptic number.

It is an amenable number.

213373405 is a deficient number, since it is larger than the sum of its proper divisors (79253027).

213373405 is an equidigital number, since it uses as much as digits as its factorization.

213373405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096395.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 213373405 is about 14607.3065621284. The cubic root of 213373405 is about 597.5580424815.

It can be divided in two parts, 21337 and 3405, that added together give a palindrome (24742).

The spelling of 213373405 in words is "two hundred thirteen million, three hundred seventy-three thousand, four hundred five".