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13875461 is a prime number
BaseRepresentation
bin110100111011…
…100100000101
3222002221112222
4310323210011
512023003321
61213222125
7225640145
oct64734405
928087488
1013875461
117917926
124791945
132b4a842
141bb2925
1513413ab
hexd3b905

13875461 has 2 divisors, whose sum is σ = 13875462. Its totient is φ = 13875460.

The previous prime is 13875457. The next prime is 13875469. The reversal of 13875461 is 16457831.

13875461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11519236 + 2356225 = 3394^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 13875461 - 22 = 13875457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13875469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937730 + 6937731.

It is an arithmetic number, because the mean of its divisors is an integer number (6937731).

Almost surely, 213875461 is an apocalyptic number.

It is an amenable number.

13875461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13875461 is an equidigital number, since it uses as much as digits as its factorization.

13875461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 13875461 is about 3724.9779865121. The cubic root of 13875461 is about 240.2974379385.

The spelling of 13875461 in words is "thirteen million, eight hundred seventy-five thousand, four hundred sixty-one".