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3213225409 is a prime number
BaseRepresentation
bin1011111110000101…
…1110110111000001
322021221020202121111
42333201132313001
523040041203114
61250502323321
7142424652052
oct27741366701
98257222544
103213225409
1113a9866899
12758129541
133c291c514
14226a6c729
1513c161bc4
hexbf85edc1

3213225409 has 2 divisors, whose sum is σ = 3213225410. Its totient is φ = 3213225408.

The previous prime is 3213225401. The next prime is 3213225427. The reversal of 3213225409 is 9045223123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1962047025 + 1251178384 = 44295^2 + 35372^2 .

It is an emirp because it is prime and its reverse (9045223123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213225409 - 23 = 3213225401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213225401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606612704 + 1606612705.

It is an arithmetic number, because the mean of its divisors is an integer number (1606612705).

Almost surely, 23213225409 is an apocalyptic number.

It is an amenable number.

3213225409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213225409 is an equidigital number, since it uses as much as digits as its factorization.

3213225409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3213225409 is about 56685.3191664297. The cubic root of 3213225409 is about 1475.6399267142.

The spelling of 3213225409 in words is "three billion, two hundred thirteen million, two hundred twenty-five thousand, four hundred nine".