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BaseRepresentation
bin11011000000110011110001
3111022202120201
4123000303301
53303044301
6411435201
7114121621
oct33006361
914282521
107081201
113aa7236
122455b01
13160c17a
14d24881
1594d201
hex6c0cf1

7081201 has 2 divisors, whose sum is σ = 7081202. Its totient is φ = 7081200.

The previous prime is 7081199. The next prime is 7081213. The reversal of 7081201 is 1021807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6130576 + 950625 = 2476^2 + 975^2 .

It is an emirp because it is prime and its reverse (1021807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7081201 - 21 = 7081199 is a prime.

Together with 7081199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7081241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540600 + 3540601.

It is an arithmetic number, because the mean of its divisors is an integer number (3540601).

Almost surely, 27081201 is an apocalyptic number.

It is an amenable number.

7081201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7081201 is an equidigital number, since it uses as much as digits as its factorization.

7081201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 7081201 is about 2661.0526112800. The cubic root of 7081201 is about 192.0299522861.

The spelling of 7081201 in words is "seven million, eighty-one thousand, two hundred one".