25232040481 has 2 divisors, whose sum is σ = 25232040482. Its totient is φ = 25232040480.

The previous prime is 25232040479. The next prime is 25232040539. The reversal of 25232040481 is 18404023252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18566787600 + 6665252881 = 136260^2 + 81641^2 .

It is a cyclic number.

It is not a de Polignac number, because 25232040481 - 2¹ = 25232040479 is a prime.

It is a super-2 number, since 2×25232040481² (a number of 22 digits) contains 22 as substring.

Together with 25232040479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25232040881) 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, 12616020240 + 12616020241.

It is an arithmetic number, because the mean of its divisors is an integer number (12616020241).

Almost surely, 2^25232040481 is an apocalyptic number.

It is an amenable number.

25232040481 is a deficient number, since it is larger than the sum of its proper divisors (1).

25232040481 is an equidigital number, since it uses as much as digits as its factorization.

25232040481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 25232040481 in words is "twenty-five billion, two hundred thirty-two million, forty thousand, four hundred eighty-one".