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2015201 is a prime number
BaseRepresentation
bin111101011111111100001
310210101100002
413223333201
51003441301
6111105345
723062136
oct7537741
93711302
102015201
111157061
12812255
13557336
143a658d
1529c16b
hex1ebfe1

2015201 has 2 divisors, whose sum is σ = 2015202. Its totient is φ = 2015200.

The previous prime is 2015183. The next prime is 2015203. The reversal of 2015201 is 1025102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 577600 = 1199^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015201 - 214 = 1998817 is a prime.

It is a super-2 number, since 2×20152012 = 8122070140802, which contains 22 as substring.

Together with 2015203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2015203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007600 + 1007601.

It is an arithmetic number, because the mean of its divisors is an integer number (1007601).

22015201 is an apocalyptic number.

It is an amenable number.

2015201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015201 is an equidigital number, since it uses as much as digits as its factorization.

2015201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2015201 is about 1419.5777541227. The cubic root of 2015201 is about 126.3105006893.

Subtracting from 2015201 its reverse (1025102), we obtain a palindrome (990099).

It can be divided in two parts, 201 and 5201, that multiplied together give a palindrome (1045401).

The spelling of 2015201 in words is "two million, fifteen thousand, two hundred one".