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8275249 is a prime number
BaseRepresentation
bin11111100100010100110001
3120120102111201
4133210110301
54104301444
6453211201
7130224043
oct37442461
916512451
108275249
114742354
122930b01
1319397c8
141155a93
15ad6dd4
hex7e4531

8275249 has 2 divisors, whose sum is σ = 8275250. Its totient is φ = 8275248.

The previous prime is 8275229. The next prime is 8275259. The reversal of 8275249 is 9425728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 255025 = 2832^2 + 505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8275249 is a prime.

It is a d-powerful number, because it can be written as 85 + 2 + 78 + 59 + 219 + 44 + 9 .

8275249 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8275229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137624 + 4137625.

It is an arithmetic number, because the mean of its divisors is an integer number (4137625).

Almost surely, 28275249 is an apocalyptic number.

It is an amenable number.

8275249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8275249 is an equidigital number, since it uses as much as digits as its factorization.

8275249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 8275249 is about 2876.6732522134. The cubic root of 8275249 is about 202.2679269935.

The spelling of 8275249 in words is "eight million, two hundred seventy-five thousand, two hundred forty-nine".