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10851257 is a prime number
BaseRepresentation
bin101001011001…
…001110111001
3202102022010102
4221121032321
510234220012
61024325145
7161143214
oct51311671
922368112
1010851257
11614178a
1237737b5
13232c181
14162677b
15e452c2
hexa593b9

10851257 has 2 divisors, whose sum is σ = 10851258. Its totient is φ = 10851256.

The previous prime is 10851251. The next prime is 10851259. The reversal of 10851257 is 75215801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5851561 + 4999696 = 2419^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 10851257 - 24 = 10851241 is a prime.

Together with 10851259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10851251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5425628 + 5425629.

It is an arithmetic number, because the mean of its divisors is an integer number (5425629).

Almost surely, 210851257 is an apocalyptic number.

It is an amenable number.

10851257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10851257 is an equidigital number, since it uses as much as digits as its factorization.

10851257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 10851257 is about 3294.1246181649. The cubic root of 10851257 is about 221.3910277956.

The spelling of 10851257 in words is "ten million, eight hundred fifty-one thousand, two hundred fifty-seven".