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13255243 is a prime number
BaseRepresentation
bin110010100100…
…001001001011
3220221102202221
4302210021023
511343131433
61152034511
7220445011
oct62441113
926842687
1013255243
117533951
124532a37
132991451
141a908b1
15126c72d
hexca424b

13255243 has 2 divisors, whose sum is σ = 13255244. Its totient is φ = 13255242.

The previous prime is 13255201. The next prime is 13255261. The reversal of 13255243 is 34255231.

It is a strong prime.

It is an emirp because it is prime and its reverse (34255231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13255243 - 213 = 13247051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13255273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627621 + 6627622.

It is an arithmetic number, because the mean of its divisors is an integer number (6627622).

Almost surely, 213255243 is an apocalyptic number.

13255243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255243 is an equidigital number, since it uses as much as digits as its factorization.

13255243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 13255243 is about 3640.7750548475. The cubic root of 13255243 is about 236.6623819454.

The spelling of 13255243 in words is "thirteen million, two hundred fifty-five thousand, two hundred forty-three".