2403245 has 8 divisors (see below), whose sum is σ = 3105816. Its totient is φ = 1774656.

The previous prime is 2403229. The next prime is 2403263. The reversal of 2403245 is 5423042.

It can be written as a sum of positive squares in 4 ways, for example, as 3844 + 2399401 = 62^2 + 1549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2403245 - 2⁴ = 2403229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18422 + ... + 18551.

It is an arithmetic number, because the mean of its divisors is an integer number (388227).

2^2403245 is an apocalyptic number.

It is an amenable number.

2403245 is a deficient number, since it is larger than the sum of its proper divisors (702571).

2403245 is a wasteful number, since it uses less digits than its factorization.

2403245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36991.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2403245 is about 1550.2403039529. The cubic root of 2403245 is about 133.9469047834.

Adding to 2403245 its reverse (5423042), we get a palindrome (7826287).

The spelling of 2403245 in words is "two million, four hundred three thousand, two hundred forty-five".