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8245901957 is a prime number
BaseRepresentation
bin1111010110111111…
…00111101010000101
3210021200010012222012
413223133213222011
5113341422330312
63442122144005
7411225003326
oct75337475205
923250105865
108245901957
113551662207
121721652005
13a1547c437
145831d844d
15333dc0322
hex1eb7e7a85

8245901957 has 2 divisors, whose sum is σ = 8245901958. Its totient is φ = 8245901956.

The previous prime is 8245901933. The next prime is 8245901959. The reversal of 8245901957 is 7591095428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8073741316 + 172160641 = 89854^2 + 13121^2 .

It is a cyclic number.

It is not a de Polignac number, because 8245901957 - 28 = 8245901701 is a prime.

Together with 8245901959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8245901959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122950978 + 4122950979.

It is an arithmetic number, because the mean of its divisors is an integer number (4122950979).

Almost surely, 28245901957 is an apocalyptic number.

It is an amenable number.

8245901957 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245901957 is an equidigital number, since it uses as much as digits as its factorization.

8245901957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 8245901957 is about 90806.9488365290. The cubic root of 8245901957 is about 2020.2853856991.

The spelling of 8245901957 in words is "eight billion, two hundred forty-five million, nine hundred one thousand, nine hundred fifty-seven".