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75062161 is a prime number
BaseRepresentation
bin1000111100101…
…01101110010001
312020020112221001
410132111232101
5123203442121
611240502001
71601006056
oct436255621
9166215831
1075062161
1139409349
122117a901
13127219a5
149d7d02d
1568ca991
hex4795b91

75062161 has 2 divisors, whose sum is σ = 75062162. Its totient is φ = 75062160.

The previous prime is 75062137. The next prime is 75062167. The reversal of 75062161 is 16126057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69205761 + 5856400 = 8319^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 75062161 - 211 = 75060113 is a prime.

It is not a weakly prime, because it can be changed into another prime (75062167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37531080 + 37531081.

It is an arithmetic number, because the mean of its divisors is an integer number (37531081).

Almost surely, 275062161 is an apocalyptic number.

It is an amenable number.

75062161 is a deficient number, since it is larger than the sum of its proper divisors (1).

75062161 is an equidigital number, since it uses as much as digits as its factorization.

75062161 is an evil number, because the sum of its binary digits is even.

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

The square root of 75062161 is about 8663.8421615355. The cubic root of 75062161 is about 421.8328085177.

The spelling of 75062161 in words is "seventy-five million, sixty-two thousand, one hundred sixty-one".