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32485497257 is a prime number
BaseRepresentation
bin11110010000010010…
…010101100110101001
310002211222012020122002
4132100102111212221
51013012241403012
622531300540345
72230010112353
oct362022254651
9102758166562
1032485497257
11128602419a4
1263673b16b5
1330a92b7335
1418025a20d3
15ca1e3c7c2
hex7904959a9

32485497257 has 2 divisors, whose sum is σ = 32485497258. Its totient is φ = 32485497256.

The previous prime is 32485497221. The next prime is 32485497299. The reversal of 32485497257 is 75279458423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32062125481 + 423371776 = 179059^2 + 20576^2 .

It is a cyclic number.

It is not a de Polignac number, because 32485497257 - 214 = 32485480873 is a prime.

It is not a weakly prime, because it can be changed into another prime (32485497857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16242748628 + 16242748629.

It is an arithmetic number, because the mean of its divisors is an integer number (16242748629).

Almost surely, 232485497257 is an apocalyptic number.

It is an amenable number.

32485497257 is a deficient number, since it is larger than the sum of its proper divisors (1).

32485497257 is an equidigital number, since it uses as much as digits as its factorization.

32485497257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 56.

The spelling of 32485497257 in words is "thirty-two billion, four hundred eighty-five million, four hundred ninety-seven thousand, two hundred fifty-seven".