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2975009 is a prime number
BaseRepresentation
bin1011010110010100100001
312121010221112
423112110201
51230200014
6143433105
734200332
oct13262441
95533845
102975009
111752194
12bb5795
1380217b
14576289
153db73e
hex2d6521

2975009 has 2 divisors, whose sum is σ = 2975010. Its totient is φ = 2975008.

The previous prime is 2974999. The next prime is 2975029. The reversal of 2975009 is 9005792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 1056784 = 1385^2 + 1028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2975009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2975029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487504 + 1487505.

It is an arithmetic number, because the mean of its divisors is an integer number (1487505).

22975009 is an apocalyptic number.

It is an amenable number.

2975009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975009 is an equidigital number, since it uses as much as digits as its factorization.

2975009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2975009 is about 1724.8214400337. The cubic root of 2975009 is about 143.8233591540.

The spelling of 2975009 in words is "two million, nine hundred seventy-five thousand, nine".