25140251327 has 2 divisors, whose sum is σ = 25140251328. Its totient is φ = 25140251326.

The previous prime is 25140251251. The next prime is 25140251363. The reversal of 25140251327 is 72315204152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25140251327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25140251293 and 25140251302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25140251377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570125663 + 12570125664.

It is an arithmetic number, because the mean of its divisors is an integer number (12570125664).

Almost surely, 2^25140251327 is an apocalyptic number.

25140251327 is a deficient number, since it is larger than the sum of its proper divisors (1).

25140251327 is an equidigital number, since it uses as much as digits as its factorization.

25140251327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 25140251327 its reverse (72315204152), we get a palindrome (97455455479).

The spelling of 25140251327 in words is "twenty-five billion, one hundred forty million, two hundred fifty-one thousand, three hundred twenty-seven".