2113245 has 24 divisors (see below), whose sum is σ = 3699072. Its totient is φ = 1116000.

The previous prime is 2113229. The next prime is 2113249. The reversal of 2113245 is 5423112.

It is not a de Polignac number, because 2113245 - 2⁴ = 2113229 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6640 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (154128).

2^2113245 is an apocalyptic number.

It is an amenable number.

2113245 is a deficient number, since it is larger than the sum of its proper divisors (1585827).

2113245 is a wasteful number, since it uses less digits than its factorization.

2113245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2113245 is about 1453.7004505743. The cubic root of 2113245 is about 128.3265789815.

Adding to 2113245 its reverse (5423112), we get a palindrome (7536357).

The spelling of 2113245 in words is "two million, one hundred thirteen thousand, two hundred forty-five".