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1275265067 is a prime number
BaseRepresentation
bin100110000000011…
…0000000000101011
310021212122011210112
41030000300000223
510102431440232
6330313204535
743413400646
oct11400600053
93255564715
101275265067
115a494357a
122b710074b
1317428761b
14c1522a5d
1576e564b2
hex4c03002b

1275265067 has 2 divisors, whose sum is σ = 1275265068. Its totient is φ = 1275265066.

The previous prime is 1275265049. The next prime is 1275265099. The reversal of 1275265067 is 7605625721.

It is a weak prime.

It is an emirp because it is prime and its reverse (7605625721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1275265067 - 28 = 1275264811 is a prime.

It is a super-2 number, since 2×12752650672 = 3252601982221028978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1275265267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637632533 + 637632534.

It is an arithmetic number, because the mean of its divisors is an integer number (637632534).

Almost surely, 21275265067 is an apocalyptic number.

1275265067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275265067 is an equidigital number, since it uses as much as digits as its factorization.

1275265067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 1275265067 is about 35710.8536302340. The cubic root of 1275265067 is about 1084.4265814141.

The spelling of 1275265067 in words is "one billion, two hundred seventy-five million, two hundred sixty-five thousand, sixty-seven".