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1005055237 is a prime number
BaseRepresentation
bin111011111001111…
…110110100000101
32121001012002121001
4323321332310011
54024243231422
6243421453301
733622554124
oct7371766405
92531162531
101005055237
1147636696a
12240711231
131302ba154
14976a5abb
155d37e227
hex3be7ed05

1005055237 has 2 divisors, whose sum is σ = 1005055238. Its totient is φ = 1005055236.

The previous prime is 1005055189. The next prime is 1005055273. The reversal of 1005055237 is 7325505001.

Together with next prime (1005055273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985394881 + 19660356 = 31391^2 + 4434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005055237 - 219 = 1004530949 is a prime.

It is a super-2 number, since 2×10050552372 = 2020272058842252338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005055277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502527618 + 502527619.

It is an arithmetic number, because the mean of its divisors is an integer number (502527619).

Almost surely, 21005055237 is an apocalyptic number.

It is an amenable number.

1005055237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005055237 is an equidigital number, since it uses as much as digits as its factorization.

1005055237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 1005055237 is about 31702.6061546996. The cubic root of 1005055237 is about 1001.6822474566.

The spelling of 1005055237 in words is "one billion, five million, fifty-five thousand, two hundred thirty-seven".