25150746061321 has 2 divisors, whose sum is σ = 25150746061322. Its totient is φ = 25150746061320.

The previous prime is 25150746061267. The next prime is 25150746061351. The reversal of 25150746061321 is 12316064705152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20243475525625 + 4907270535696 = 4499275^2 + 2215236^2 .

It is a cyclic number.

It is not a de Polignac number, because 25150746061321 - 2¹⁷ = 25150745930249 is a prime.

It is not a weakly prime, because it can be changed into another prime (25150746061351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575373030660 + 12575373030661.

It is an arithmetic number, because the mean of its divisors is an integer number (12575373030661).

Almost surely, 2^{25150746061321} is an apocalyptic number.

It is an amenable number.

25150746061321 is a deficient number, since it is larger than the sum of its proper divisors (1).

25150746061321 is an equidigital number, since it uses as much as digits as its factorization.

25150746061321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 25150746061321 in words is "twenty-five trillion, one hundred fifty billion, seven hundred forty-six million, sixty-one thousand, three hundred twenty-one".