2113003405 has 8 divisors (see below), whose sum is σ = 2550788352. Its totient is φ = 1680279888.

The previous prime is 2113003397. The next prime is 2113003447. The reversal of 2113003405 is 5043003112.

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 2113003405 - 2³ = 2113003397 is a prime.

It is a Duffinian 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, 1264437 + ... + 1266106.

It is an arithmetic number, because the mean of its divisors is an integer number (318848544).

Almost surely, 2^2113003405 is an apocalyptic number.

It is an amenable number.

2113003405 is a deficient number, since it is larger than the sum of its proper divisors (437784947).

2113003405 is a wasteful number, since it uses less digits than its factorization.

2113003405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530715.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2113003405 is about 45967.4167753638. The cubic root of 2113003405 is about 1283.2168851818.

Adding to 2113003405 its reverse (5043003112), we get a palindrome (7156006517).

The spelling of 2113003405 in words is "two billion, one hundred thirteen million, three thousand, four hundred five".