2320545 has 16 divisors (see below), whose sum is σ = 3769920. Its totient is φ = 1218624.

The previous prime is 2320543. The next prime is 2320547. The reversal of 2320545 is 5450232.

It is an interprime number because it is at equal distance from previous prime (2320543) and next prime (2320547).

It is not a de Polignac number, because 2320545 - 2¹ = 2320543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

2^2320545 is an apocalyptic number.

It is an amenable number.

2320545 is a deficient number, since it is larger than the sum of its proper divisors (1449375).

2320545 is a wasteful number, since it uses less digits than its factorization.

2320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2320545 is about 1523.3335156820. Note that the first 3 decimals coincide. The cubic root of 2320545 is about 132.3924842775.

Adding to 2320545 its reverse (5450232), we get a palindrome (7770777).

The spelling of 2320545 in words is "two million, three hundred twenty thousand, five hundred forty-five".