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8225529797 is a prime number
BaseRepresentation
bin1111010100100011…
…11001111111000101
3210020020210012121202
413222101321333011
5113321213423142
63440113352245
7410556564302
oct75221717705
923206705552
108225529797
113541108311
121716868685
13a111987c4
145806140a9
153321e9032
hex1ea479fc5

8225529797 has 2 divisors, whose sum is σ = 8225529798. Its totient is φ = 8225529796.

The previous prime is 8225529751. The next prime is 8225529847. The reversal of 8225529797 is 7979255228.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5351068801 + 2874460996 = 73151^2 + 53614^2 .

It is a cyclic number.

It is not a de Polignac number, because 8225529797 - 218 = 8225267653 is a prime.

It is a super-2 number, since 2×82255297972 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8225529497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112764898 + 4112764899.

It is an arithmetic number, because the mean of its divisors is an integer number (4112764899).

Almost surely, 28225529797 is an apocalyptic number.

It is an amenable number.

8225529797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225529797 is an equidigital number, since it uses as much as digits as its factorization.

8225529797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 56.

The square root of 8225529797 is about 90694.7065544622. The cubic root of 8225529797 is about 2018.6202548136.

The spelling of 8225529797 in words is "eight billion, two hundred twenty-five million, five hundred twenty-nine thousand, seven hundred ninety-seven".