2512205117 has 2 divisors, whose sum is σ = 2512205118. Its totient is φ = 2512205116.

The previous prime is 2512205071. The next prime is 2512205149. The reversal of 2512205117 is 7115022152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1656408601 + 855796516 = 40699^2 + 29254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512205117 is a prime.

It is a super-2 number, since 2×2512205117² = 12622349099761967378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512205167) 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 as a sum of consecutive naturals, namely, 1256102558 + 1256102559.

It is an arithmetic number, because the mean of its divisors is an integer number (1256102559).

Almost surely, 2^2512205117 is an apocalyptic number.

It is an amenable number.

2512205117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512205117 is an equidigital number, since it uses as much as digits as its factorization.

2512205117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 2512205117 is about 50121.9025676400. The cubic root of 2512205117 is about 1359.4138760728.

Adding to 2512205117 its reverse (7115022152), we get a palindrome (9627227269).

The spelling of 2512205117 in words is "two billion, five hundred twelve million, two hundred five thousand, one hundred seventeen".