25301250551 has 2 divisors, whose sum is σ = 25301250552. Its totient is φ = 25301250550.

The previous prime is 25301250509. The next prime is 25301250587. The reversal of 25301250551 is 15505210352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25301250551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25301258551) 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, 12650625275 + 12650625276.

It is an arithmetic number, because the mean of its divisors is an integer number (12650625276).

Almost surely, 2^25301250551 is an apocalyptic number.

25301250551 is a deficient number, since it is larger than the sum of its proper divisors (1).

25301250551 is an equidigital number, since it uses as much as digits as its factorization.

25301250551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 25301250551 in words is "twenty-five billion, three hundred one million, two hundred fifty thousand, five hundred fifty-one".