25052775247 has 2 divisors, whose sum is σ = 25052775248. Its totient is φ = 25052775246.

The previous prime is 25052775233. The next prime is 25052775289. The reversal of 25052775247 is 74257725052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25052775247 is a prime.

It is a super-2 number, since 2×25052775247² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25052775197 and 25052775206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25052775547) 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, 12526387623 + 12526387624.

It is an arithmetic number, because the mean of its divisors is an integer number (12526387624).

Almost surely, 2^25052775247 is an apocalyptic number.

25052775247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25052775247 is an equidigital number, since it uses as much as digits as its factorization.

25052775247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1372000, while the sum is 46.

The spelling of 25052775247 in words is "twenty-five billion, fifty-two million, seven hundred seventy-five thousand, two hundred forty-seven".