2500030505 has 8 divisors (see below), whose sum is σ = 3428613312. Its totient is φ = 1714306608.

The previous prime is 2500030501. The next prime is 2500030513. The reversal of 2500030505 is 5050300052.

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

It is not a de Polignac number, because 2500030505 - 2² = 2500030501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500030501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35714687 + ... + 35714756.

It is an arithmetic number, because the mean of its divisors is an integer number (428576664).

Almost surely, 2^2500030505 is an apocalyptic number.

It is an amenable number.

2500030505 is a deficient number, since it is larger than the sum of its proper divisors (928582807).

2500030505 is an equidigital number, since it uses as much as digits as its factorization.

2500030505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71429455.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2500030505 is about 50000.3050490695. The cubic root of 2500030505 is about 1357.2143284956.

Adding to 2500030505 its reverse (5050300052), we get a palindrome (7550330557).

The spelling of 2500030505 in words is "two billion, five hundred million, thirty thousand, five hundred five".