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13825963 is a prime number
BaseRepresentation
bin110100101111…
…011110101011
3222000102122201
4310233132223
512014412323
61212201031
7225342634
oct64573653
928012581
1013825963
117893718
124769177
132b31158
141b9c88b
1513318ad
hexd2f7ab

13825963 has 2 divisors, whose sum is σ = 13825964. Its totient is φ = 13825962.

The previous prime is 13825957. The next prime is 13825993. The reversal of 13825963 is 36952831.

It is a weak prime.

It is an emirp because it is prime and its reverse (36952831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13825963 - 221 = 11728811 is a prime.

It is not a weakly prime, because it can be changed into another prime (13825993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6912981 + 6912982.

It is an arithmetic number, because the mean of its divisors is an integer number (6912982).

Almost surely, 213825963 is an apocalyptic number.

13825963 is a deficient number, since it is larger than the sum of its proper divisors (1).

13825963 is an equidigital number, since it uses as much as digits as its factorization.

13825963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 13825963 is about 3718.3279844575. The cubic root of 13825963 is about 240.0113594160.

The spelling of 13825963 in words is "thirteen million, eight hundred twenty-five thousand, nine hundred sixty-three".