2512505217 has 4 divisors (see below), whose sum is σ = 3350006960. Its totient is φ = 1675003476.

The previous prime is 2512505213. The next prime is 2512505243. The reversal of 2512505217 is 7125052152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2512505217 - 2² = 2512505213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512505213) 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 3 ways as a sum of consecutive naturals, for example, 418750867 + ... + 418750872.

It is an arithmetic number, because the mean of its divisors is an integer number (837501740).

Almost surely, 2^2512505217 is an apocalyptic number.

It is an amenable number.

2512505217 is a deficient number, since it is larger than the sum of its proper divisors (837501743).

2512505217 is an equidigital number, since it uses as much as digits as its factorization.

2512505217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837501742.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2512505217 is about 50124.8961794436. The cubic root of 2512505217 is about 1359.4680043309.

Adding to 2512505217 its reverse (7125052152), we get a palindrome (9637557369).

The spelling of 2512505217 in words is "two billion, five hundred twelve million, five hundred five thousand, two hundred seventeen".