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2405797 is a prime number
BaseRepresentation
bin1001001011010110100101
311112020010121
421023112211
51103441142
6123321541
726306662
oct11132645
94466117
102405797
1113a3569
129802b1
13663064
14468a69
15327c67
hex24b5a5

2405797 has 2 divisors, whose sum is σ = 2405798. Its totient is φ = 2405796.

The previous prime is 2405791. The next prime is 2405813. The reversal of 2405797 is 7975042.

2405797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 196 = 1551^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405797 - 215 = 2373029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405791) 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, 1202898 + 1202899.

It is an arithmetic number, because the mean of its divisors is an integer number (1202899).

22405797 is an apocalyptic number.

It is an amenable number.

2405797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405797 is an equidigital number, since it uses as much as digits as its factorization.

2405797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2405797 is about 1551.0631837549. The cubic root of 2405797 is about 133.9943006412.

The spelling of 2405797 in words is "two million, four hundred five thousand, seven hundred ninety-seven".