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2865497 is a prime number
BaseRepresentation
bin1010111011100101011001
312101120201112
422323211121
51213143442
6141230105
733233135
oct12734531
95346645
102865497
111687988
12b62335
1379437b
145483c5
153b9082
hex2bb959

2865497 has 2 divisors, whose sum is σ = 2865498. Its totient is φ = 2865496.

The previous prime is 2865493. The next prime is 2865509. The reversal of 2865497 is 7945682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2572816 + 292681 = 1604^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2865497 - 22 = 2865493 is a prime.

It is a super-2 number, since 2×28654972 = 16422146114018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2865491) 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, 1432748 + 1432749.

It is an arithmetic number, because the mean of its divisors is an integer number (1432749).

22865497 is an apocalyptic number.

It is an amenable number.

2865497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865497 is an equidigital number, since it uses as much as digits as its factorization.

2865497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 2865497 is about 1692.7778944681. Note that the first 3 decimals coincide. The cubic root of 2865497 is about 142.0365078385.

The spelling of 2865497 in words is "two million, eight hundred sixty-five thousand, four hundred ninety-seven".