2320245 has 40 divisors (see below), whose sum is σ = 4416984. Its totient is φ = 1161216.

The previous prime is 2320243. The next prime is 2320247. The reversal of 2320245 is 5420232.

It is an interprime number because it is at equal distance from previous prime (2320243) and next prime (2320247).

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 2047761 = 522^2 + 1431^2 .

It is not a de Polignac number, because 2320245 - 2¹ = 2320243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320243) 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 39 ways as a sum of consecutive naturals, for example, 6717 + ... + 7053.

2^2320245 is an apocalyptic number.

It is an amenable number.

2320245 is a deficient number, since it is larger than the sum of its proper divisors (2096739).

2320245 is a wasteful number, since it uses less digits than its factorization.

2320245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2320245 is about 1523.2350442397. The cubic root of 2320245 is about 132.3867787992.

Adding to 2320245 its reverse (5420232), we get a palindrome (7740477).

The spelling of 2320245 in words is "two million, three hundred twenty thousand, two hundred forty-five".