2321245 has 8 divisors (see below), whose sum is σ = 2804184. Its totient is φ = 1844544.

The previous prime is 2321243. The next prime is 2321273. The reversal of 2321245 is 5421232.

It can be written as a sum of positive squares in 4 ways, for example, as 4761 + 2316484 = 69^2 + 1522^2 .

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 2321245 - 2¹ = 2321243 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (350523).

2^2321245 is an apocalyptic number.

It is an amenable number.

2321245 is a deficient number, since it is larger than the sum of its proper divisors (482939).

2321245 is a wasteful number, since it uses less digits than its factorization.

2321245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its digits is 480, while the sum is 19.

The square root of 2321245 is about 1523.5632576300. The cubic root of 2321245 is about 132.4057951480.

Adding to 2321245 its reverse (5421232), we get a palindrome (7742477).

The spelling of 2321245 in words is "two million, three hundred twenty-one thousand, two hundred forty-five".