25022523225481 has 2 divisors, whose sum is σ = 25022523225482. Its totient is φ = 25022523225480.

The previous prime is 25022523225473. The next prime is 25022523225569. The reversal of 25022523225481 is 18452232522052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24340014273600 + 682508951881 = 4933560^2 + 826141^2 .

It is a cyclic number.

It is not a de Polignac number, because 25022523225481 - 2³ = 25022523225473 is a prime.

It is a super-2 number, since 2×25022523225481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25022520225481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511261612740 + 12511261612741.

It is an arithmetic number, because the mean of its divisors is an integer number (12511261612741).

Almost surely, 2^{25022523225481} is an apocalyptic number.

It is an amenable number.

25022523225481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022523225481 is an equidigital number, since it uses as much as digits as its factorization.

25022523225481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 25022523225481 in words is "twenty-five trillion, twenty-two billion, five hundred twenty-three million, two hundred twenty-five thousand, four hundred eighty-one".