2403242505 has 24 divisors (see below), whose sum is σ = 4172884872. Its totient is φ = 1279494144.

The previous prime is 2403242473. The next prime is 2403242521. The reversal of 2403242505 is 5052423042.

It is a happy number.

2403242505 is a `hidden beast` number, since 2 + 403 + 2 + 4 + 250 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 429484176 + 1973758329 = 20724^2 + 44427^2 .

It is not a de Polignac number, because 2403242505 - 2⁵ = 2403242473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20314 + ... + 72243.

It is an arithmetic number, because the mean of its divisors is an integer number (173870203).

Almost surely, 2^2403242505 is an apocalyptic number.

It is an amenable number.

2403242505 is a deficient number, since it is larger than the sum of its proper divisors (1769642367).

2403242505 is a wasteful number, since it uses less digits than its factorization.

2403242505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93145 (or 93142 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2403242505 is about 49022.8773635330. The cubic root of 2403242505 is about 1339.4685842971.

Adding to 2403242505 its reverse (5052423042), we get a palindrome (7455665547).

The spelling of 2403242505 in words is "two billion, four hundred three million, two hundred forty-two thousand, five hundred five".