25482228481 has 2 divisors, whose sum is σ = 25482228482. Its totient is φ = 25482228480.

The previous prime is 25482228437. The next prime is 25482228493. The reversal of 25482228481 is 18482228452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25405490881 + 76737600 = 159391^2 + 8760^2 .

It is a cyclic number.

It is not a de Polignac number, because 25482228481 - 2¹⁷ = 25482097409 is a prime.

It is a super-2 number, since 2×25482228481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25482222481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12741114240 + 12741114241.

It is an arithmetic number, because the mean of its divisors is an integer number (12741114241).

Almost surely, 2^25482228481 is an apocalyptic number.

It is an amenable number.

25482228481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25482228481 is an equidigital number, since it uses as much as digits as its factorization.

25482228481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 655360, while the sum is 46.

The spelling of 25482228481 in words is "twenty-five billion, four hundred eighty-two million, two hundred twenty-eight thousand, four hundred eighty-one".