845251201 has 2 divisors, whose sum is σ = 845251202. Its totient is φ = 845251200.

The previous prime is 845251189. The next prime is 845251213. The reversal of 845251201 is 102152548.

It is a balanced prime because it is at equal distance from previous prime (845251189) and next prime (845251213).

It can be written as a sum of positive squares in only one way, i.e., 477378801 + 367872400 = 21849^2 + 19180^2 .

It is a cyclic number.

It is not a de Polignac number, because 845251201 - 2⁹ = 845250689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845251201.

It is not a weakly prime, because it can be changed into another prime (845258201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422625600 + 422625601.

It is an arithmetic number, because the mean of its divisors is an integer number (422625601).

Almost surely, 2^845251201 is an apocalyptic number.

It is an amenable number.

845251201 is a deficient number, since it is larger than the sum of its proper divisors (1).

845251201 is an equidigital number, since it uses as much as digits as its factorization.

845251201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 845251201 is about 29073.2041749787. The cubic root of 845251201 is about 945.5008686429.

The spelling of 845251201 in words is "eight hundred forty-five million, two hundred fifty-one thousand, two hundred one".