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925307663381 is a prime number
BaseRepresentation
bin11010111011100001010…
…00100111010000010101
310021110101021121120212022
431131300220213100111
5110130012230212011
61545025214302525
7123564662236463
oct15356050472025
93243337546768
10925307663381
1132746a064982
1212b3b77b7a45
136934397455a
1432adc579833
15191092238db
hexd770a27415

925307663381 has 2 divisors, whose sum is σ = 925307663382. Its totient is φ = 925307663380.

The previous prime is 925307663377. The next prime is 925307663411. The reversal of 925307663381 is 183366703529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872851090225 + 52456573156 = 934265^2 + 229034^2 .

It is an emirp because it is prime and its reverse (183366703529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 925307663381 - 22 = 925307663377 is a prime.

It is a super-2 number, since 2×9253076633812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (925307663081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462653831690 + 462653831691.

It is an arithmetic number, because the mean of its divisors is an integer number (462653831691).

Almost surely, 2925307663381 is an apocalyptic number.

It is an amenable number.

925307663381 is a deficient number, since it is larger than the sum of its proper divisors (1).

925307663381 is an equidigital number, since it uses as much as digits as its factorization.

925307663381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 925307663381 in words is "nine hundred twenty-five billion, three hundred seven million, six hundred sixty-three thousand, three hundred eighty-one".