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37522081 is a prime number
BaseRepresentation
bin1000111100100…
…0101010100001
32121121022121201
42033020222201
534101201311
63420121201
7633634552
oct217105241
977538551
1037522081
111a1a8993
1210696201
137a09a1c
144daa329
1534629c1
hex23c8aa1

37522081 has 2 divisors, whose sum is σ = 37522082. Its totient is φ = 37522080.

The previous prime is 37522063. The next prime is 37522097. The reversal of 37522081 is 18022573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25411681 + 12110400 = 5041^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 37522081 - 215 = 37489313 is a prime.

It is a super-2 number, since 2×375220812 = 2815813125141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37522021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18761040 + 18761041.

It is an arithmetic number, because the mean of its divisors is an integer number (18761041).

Almost surely, 237522081 is an apocalyptic number.

It is an amenable number.

37522081 is a deficient number, since it is larger than the sum of its proper divisors (1).

37522081 is an equidigital number, since it uses as much as digits as its factorization.

37522081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 37522081 is about 6125.5269977366. The cubic root of 37522081 is about 334.7821588127.

The spelling of 37522081 in words is "thirty-seven million, five hundred twenty-two thousand, eighty-one".