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2487061 is a prime number
BaseRepresentation
bin1001011111001100010101
311200100121101
421133030111
51114041221
6125150101
730065623
oct11371425
94610541
102487061
111449625
129bb331
13691045
1448a513
15341d91
hex25f315

2487061 has 2 divisors, whose sum is σ = 2487062. Its totient is φ = 2487060.

The previous prime is 2487047. The next prime is 2487071. The reversal of 2487061 is 1607842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 255025 = 1494^2 + 505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2487061 is a prime.

2487061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243530 + 1243531.

It is an arithmetic number, because the mean of its divisors is an integer number (1243531).

22487061 is an apocalyptic number.

It is an amenable number.

2487061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487061 is an equidigital number, since it uses as much as digits as its factorization.

2487061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2487061 is about 1577.0418510617. The cubic root of 2487061 is about 135.4863300525.

The spelling of 2487061 in words is "two million, four hundred eighty-seven thousand, sixty-one".