25330552201 has 2 divisors, whose sum is σ = 25330552202. Its totient is φ = 25330552200.

The previous prime is 25330552189. The next prime is 25330552301. The reversal of 25330552201 is 10225503352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17471552400 + 7858999801 = 132180^2 + 88651^2 .

It is a cyclic number.

It is not a de Polignac number, because 25330552201 - 2²¹ = 25328455049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25330552201.

It is not a weakly prime, because it can be changed into another prime (25330552301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12665276100 + 12665276101.

It is an arithmetic number, because the mean of its divisors is an integer number (12665276101).

Almost surely, 2^25330552201 is an apocalyptic number.

It is an amenable number.

25330552201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25330552201 is an equidigital number, since it uses as much as digits as its factorization.

25330552201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 25330552201 in words is "twenty-five billion, three hundred thirty million, five hundred fifty-two thousand, two hundred one".