2112351 has 4 divisors (see below), whose sum is σ = 2816472. Its totient is φ = 1408232.

The previous prime is 2112347. The next prime is 2112353. The reversal of 2112351 is 1532112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112351 - 2² = 2112347 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352056 + ... + 352061.

It is an arithmetic number, because the mean of its divisors is an integer number (704118).

2^2112351 is an apocalyptic number.

2112351 is a deficient number, since it is larger than the sum of its proper divisors (704121).

2112351 is an equidigital number, since it uses as much as digits as its factorization.

2112351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704120.

The product of its digits is 60, while the sum is 15.

The square root of 2112351 is about 1453.3929269127. The cubic root of 2112351 is about 128.3084804106.

Adding to 2112351 its reverse (1532112), we get a palindrome (3644463).

The spelling of 2112351 in words is "two million, one hundred twelve thousand, three hundred fifty-one".