2499540007 has 4 divisors (see below), whose sum is σ = 2505234160. Its totient is φ = 2493845856.

The previous prime is 2499539993. The next prime is 2499540047. The reversal of 2499540007 is 7000459942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2499540007 - 2¹⁹ = 2499015719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499540047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846418 + ... + 2847295.

It is an arithmetic number, because the mean of its divisors is an integer number (626308540).

Almost surely, 2^2499540007 is an apocalyptic number.

2499540007 is a deficient number, since it is larger than the sum of its proper divisors (5694153).

2499540007 is an equidigital number, since it uses as much as digits as its factorization.

2499540007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694152.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2499540007 is about 49995.3998583870. The cubic root of 2499540007 is about 1357.1255623181.

Adding to 2499540007 its reverse (7000459942), we get a palindrome (9499999949).

The spelling of 2499540007 in words is "two billion, four hundred ninety-nine million, five hundred forty thousand, seven".