2505123277 has 2 divisors, whose sum is σ = 2505123278. Its totient is φ = 2505123276.

The previous prime is 2505123217. The next prime is 2505123293. The reversal of 2505123277 is 7723215052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1902617161 + 602506116 = 43619^2 + 24546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505123277 - 2¹⁵ = 2505090509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505123217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252561638 + 1252561639.

It is an arithmetic number, because the mean of its divisors is an integer number (1252561639).

Almost surely, 2^2505123277 is an apocalyptic number.

It is an amenable number.

2505123277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505123277 is an equidigital number, since it uses as much as digits as its factorization.

2505123277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2505123277 is about 50051.2065488935. The cubic root of 2505123277 is about 1358.1352899253.

The spelling of 2505123277 in words is "two billion, five hundred five million, one hundred twenty-three thousand, two hundred seventy-seven".