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897248461853 is a prime number
BaseRepresentation
bin11010000111010000010…
…11010000010000011101
310011202221210021110111002
431003220023100100131
5104200031101234403
61524105032240045
7121552440042302
oct15035013202035
93152853243432
10897248461853
11316580402527
12125a86840025
13667c16c9123
14315d9bb90a9
1518515bb6188
hexd0e82d041d

897248461853 has 2 divisors, whose sum is σ = 897248461854. Its totient is φ = 897248461852.

The previous prime is 897248461763. The next prime is 897248461867. The reversal of 897248461853 is 358164842798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895820604484 + 1427857369 = 946478^2 + 37787^2 .

It is a cyclic number.

It is not a de Polignac number, because 897248461853 - 212 = 897248457757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897248461853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897248461253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448624230926 + 448624230927.

It is an arithmetic number, because the mean of its divisors is an integer number (448624230927).

Almost surely, 2897248461853 is an apocalyptic number.

It is an amenable number.

897248461853 is a deficient number, since it is larger than the sum of its proper divisors (1).

897248461853 is an equidigital number, since it uses as much as digits as its factorization.

897248461853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92897280, while the sum is 65.

The spelling of 897248461853 in words is "eight hundred ninety-seven billion, two hundred forty-eight million, four hundred sixty-one thousand, eight hundred fifty-three".