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2405497 is a prime number
BaseRepresentation
bin1001001011010001111001
311112012201111
421023101321
51103433442
6123320321
726306053
oct11132171
94465644
102405497
1113a3316
129800a1
13662b93
144688d3
15327b17
hex24b479

2405497 has 2 divisors, whose sum is σ = 2405498. Its totient is φ = 2405496.

The previous prime is 2405461. The next prime is 2405509. The reversal of 2405497 is 7945042.

2405497 is nontrivially palindromic in base 9.

2405497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 434281 = 1404^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405497 - 27 = 2405369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2405437) 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, 1202748 + 1202749.

It is an arithmetic number, because the mean of its divisors is an integer number (1202749).

22405497 is an apocalyptic number.

It is an amenable number.

2405497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405497 is an equidigital number, since it uses as much as digits as its factorization.

2405497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2405497 is about 1550.9664728807. The cubic root of 2405497 is about 133.9887307669.

The spelling of 2405497 in words is "two million, four hundred five thousand, four hundred ninety-seven".