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65527157 is a prime number
BaseRepresentation
bin1111100111110…
…1110101110101
311120022010100202
43321331311311
5113233332112
610300250245
71423654163
oct371756565
9146263322
1065527157
1133a96583
1219b40985
1310763987
1489ba233
155b456c2
hex3e7dd75

65527157 has 2 divisors, whose sum is σ = 65527158. Its totient is φ = 65527156.

The previous prime is 65527127. The next prime is 65527159. The reversal of 65527157 is 75172556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53597041 + 11930116 = 7321^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 65527157 - 210 = 65526133 is a prime.

Together with 65527159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65527157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65527159) 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, 32763578 + 32763579.

It is an arithmetic number, because the mean of its divisors is an integer number (32763579).

Almost surely, 265527157 is an apocalyptic number.

It is an amenable number.

65527157 is a deficient number, since it is larger than the sum of its proper divisors (1).

65527157 is an equidigital number, since it uses as much as digits as its factorization.

65527157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 65527157 is about 8094.8846193136. The cubic root of 65527157 is about 403.1566012284.

The spelling of 65527157 in words is "sixty-five million, five hundred twenty-seven thousand, one hundred fifty-seven".