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3217125061 is a prime number
BaseRepresentation
bin1011111111000001…
…0110111011000101
322022012120212221001
42333300112323011
523042041000221
61251122053301
7142503053233
oct27760267305
98265525831
103217125061
111400a8a747
127594aa231
133c36864c7
142273a5953
1513c682391
hexbfc16ec5

3217125061 has 2 divisors, whose sum is σ = 3217125062. Its totient is φ = 3217125060.

The previous prime is 3217125013. The next prime is 3217125103. The reversal of 3217125061 is 1605217123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3191572036 + 25553025 = 56494^2 + 5055^2 .

It is an emirp because it is prime and its reverse (1605217123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3217125061 - 213 = 3217116869 is a prime.

It is a super-2 number, since 2×32171250612 = 20699787316228507442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3217129061) 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, 1608562530 + 1608562531.

It is an arithmetic number, because the mean of its divisors is an integer number (1608562531).

Almost surely, 23217125061 is an apocalyptic number.

It is an amenable number.

3217125061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3217125061 is an equidigital number, since it uses as much as digits as its factorization.

3217125061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 3217125061 is about 56719.7061081949. The cubic root of 3217125061 is about 1476.2366434188.

The spelling of 3217125061 in words is "three billion, two hundred seventeen million, one hundred twenty-five thousand, sixty-one".