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8257250501 is a prime number
BaseRepresentation
bin1111011000010101…
…11010010011000101
3210022110110210020122
413230022322103011
5113402324004001
63443205311325
7411423320423
oct75412722305
923273423218
108257250501
113558003575
121725405545
13a17923a56
14584910113
15334db2b1b
hex1ec2ba4c5

8257250501 has 2 divisors, whose sum is σ = 8257250502. Its totient is φ = 8257250500.

The previous prime is 8257250471. The next prime is 8257250597. The reversal of 8257250501 is 1050527528.

8257250501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7395828001 + 861422500 = 85999^2 + 29350^2 .

It is a cyclic number.

It is not a de Polignac number, because 8257250501 - 210 = 8257249477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8257258501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128625250 + 4128625251.

It is an arithmetic number, because the mean of its divisors is an integer number (4128625251).

Almost surely, 28257250501 is an apocalyptic number.

It is an amenable number.

8257250501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8257250501 is an equidigital number, since it uses as much as digits as its factorization.

8257250501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 8257250501 is about 90869.4145518722. The cubic root of 8257250501 is about 2021.2117766804.

The spelling of 8257250501 in words is "eight billion, two hundred fifty-seven million, two hundred fifty thousand, five hundred one".