2505448247 has 2 divisors, whose sum is σ = 2505448248. Its totient is φ = 2505448246.

The previous prime is 2505448207. The next prime is 2505448271. The reversal of 2505448247 is 7428445052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505448247 - 2⁸ = 2505447991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505448207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252724123 + 1252724124.

It is an arithmetic number, because the mean of its divisors is an integer number (1252724124).

Almost surely, 2^2505448247 is an apocalyptic number.

2505448247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505448247 is an equidigital number, since it uses as much as digits as its factorization.

2505448247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 2505448247 is about 50054.4528189051. The cubic root of 2505448247 is about 1358.1940141335.

The spelling of 2505448247 in words is "two billion, five hundred five million, four hundred forty-eight thousand, two hundred forty-seven".