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1500061 is a prime number
BaseRepresentation
bin101101110001110011101
32211012200211
411232032131
5341000221
652052421
715515233
oct5561635
92735624
101500061
11935022
12604111
13406a14
142b0953
151e96e1
hex16e39d

1500061 has 2 divisors, whose sum is σ = 1500062. Its totient is φ = 1500060.

The previous prime is 1500047. The next prime is 1500071. The reversal of 1500061 is 1600051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 220900 = 1131^2 + 470^2 .

It is an emirp because it is prime and its reverse (1600051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1500061 - 27 = 1499933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750030 + 750031.

It is an arithmetic number, because the mean of its divisors is an integer number (750031).

21500061 is an apocalyptic number.

It is an amenable number.

1500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500061 is an equidigital number, since it uses as much as digits as its factorization.

1500061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1500061 is about 1224.7697742841. The cubic root of 1500061 is about 114.4729759581.

The spelling of 1500061 in words is "one million, five hundred thousand, sixty-one".