2505173219 has 2 divisors, whose sum is σ = 2505173220. Its totient is φ = 2505173218.

The previous prime is 2505173213. The next prime is 2505173257. The reversal of 2505173219 is 9123715052.

2505173219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505173219 - 2¹² = 2505169123 is a prime.

It is a super-2 number, since 2×2505173219² = 12551785714389643922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2505173213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252586609 + 1252586610.

It is an arithmetic number, because the mean of its divisors is an integer number (1252586610).

Almost surely, 2^2505173219 is an apocalyptic number.

2505173219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505173219 is an equidigital number, since it uses as much as digits as its factorization.

2505173219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2505173219 is about 50051.7054554588. The cubic root of 2505173219 is about 1358.1443151022.

The spelling of 2505173219 in words is "two billion, five hundred five million, one hundred seventy-three thousand, two hundred nineteen".