25425043327 has 2 divisors, whose sum is σ = 25425043328. Its totient is φ = 25425043326.

The previous prime is 25425043229. The next prime is 25425043337. The reversal of 25425043327 is 72334052452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25425043327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25425043337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712521663 + 12712521664.

It is an arithmetic number, because the mean of its divisors is an integer number (12712521664).

Almost surely, 2^25425043327 is an apocalyptic number.

25425043327 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425043327 is an equidigital number, since it uses as much as digits as its factorization.

25425043327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 37.

Adding to 25425043327 its reverse (72334052452), we get a palindrome (97759095779).

The spelling of 25425043327 in words is "twenty-five billion, four hundred twenty-five million, forty-three thousand, three hundred twenty-seven".