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65269157 is a prime number
BaseRepresentation
bin1111100011111…
…0110110100101
311112211000110012
43320332312211
5113202103112
610250540005
71421531042
oct370766645
9145730405
1065269157
113392a758
1219a37605
13106a3405
1489501c9
155ae4022
hex3e3eda5

65269157 has 2 divisors, whose sum is σ = 65269158. Its totient is φ = 65269156.

The previous prime is 65269133. The next prime is 65269159. The reversal of 65269157 is 75196256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 20124196 = 6719^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 65269157 - 212 = 65265061 is a prime.

Together with 65269159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65269159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32634578 + 32634579.

It is an arithmetic number, because the mean of its divisors is an integer number (32634579).

Almost surely, 265269157 is an apocalyptic number.

It is an amenable number.

65269157 is a deficient number, since it is larger than the sum of its proper divisors (1).

65269157 is an equidigital number, since it uses as much as digits as its factorization.

65269157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 65269157 is about 8078.9329122106. The cubic root of 65269157 is about 402.6267892685.

The spelling of 65269157 in words is "sixty-five million, two hundred sixty-nine thousand, one hundred fifty-seven".