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33275197 is a prime number
BaseRepresentation
bin111111011101…
…1110100111101
32022121112222201
41332323310331
532004301242
63145111501
7552556144
oct176736475
968545881
1033275197
111786816a
12b188591
136b80987
1445c275b
152dc44b7
hex1fbbd3d

33275197 has 2 divisors, whose sum is σ = 33275198. Its totient is φ = 33275196.

The previous prime is 33275191. The next prime is 33275237. The reversal of 33275197 is 79157233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 6120676 = 5211^2 + 2474^2 .

It is an emirp because it is prime and its reverse (79157233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33275197 - 23 = 33275189 is a prime.

It is a super-2 number, since 2×332751972 = 2214477470777618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33275191) 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, 16637598 + 16637599.

It is an arithmetic number, because the mean of its divisors is an integer number (16637599).

Almost surely, 233275197 is an apocalyptic number.

It is an amenable number.

33275197 is a deficient number, since it is larger than the sum of its proper divisors (1).

33275197 is an equidigital number, since it uses as much as digits as its factorization.

33275197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 33275197 is about 5768.4657405587. The cubic root of 33275197 is about 321.6425859476.

The spelling of 33275197 in words is "thirty-three million, two hundred seventy-five thousand, one hundred ninety-seven".