25001243032361 has 2 divisors, whose sum is σ = 25001243032362. Its totient is φ = 25001243032360.

The previous prime is 25001243032267. The next prime is 25001243032391. The reversal of 25001243032361 is 16323034210052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22113214695961 + 2888028336400 = 4702469^2 + 1699420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25001243032361 is a prime.

It is not a weakly prime, because it can be changed into another prime (25001243032391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500621516180 + 12500621516181.

It is an arithmetic number, because the mean of its divisors is an integer number (12500621516181).

Almost surely, 2^{25001243032361} is an apocalyptic number.

It is an amenable number.

25001243032361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001243032361 is an equidigital number, since it uses as much as digits as its factorization.

25001243032361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 25001243032361 in words is "twenty-five trillion, one billion, two hundred forty-three million, thirty-two thousand, three hundred sixty-one".