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13255493 is a prime number
BaseRepresentation
bin110010100100…
…001101000101
3220221110010012
4302210031011
511343133433
61152040005
7220445516
oct62441505
926843105
1013255493
117534059
124533005
1329915b4
141a90a0d
15126c848
hexca4345

13255493 has 2 divisors, whose sum is σ = 13255494. Its totient is φ = 13255492.

The previous prime is 13255477. The next prime is 13255499. The reversal of 13255493 is 39455231.

13255493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13235044 + 20449 = 3638^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 13255493 - 24 = 13255477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13255499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627746 + 6627747.

It is an arithmetic number, because the mean of its divisors is an integer number (6627747).

Almost surely, 213255493 is an apocalyptic number.

It is an amenable number.

13255493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255493 is an equidigital number, since it uses as much as digits as its factorization.

13255493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 13255493 is about 3640.8093880345. The cubic root of 13255493 is about 236.6638697900.

The spelling of 13255493 in words is "thirteen million, two hundred fifty-five thousand, four hundred ninety-three".