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65396369 is a prime number
BaseRepresentation
bin1111100101110…
…1111010010001
311120001110221202
43321131322101
5113220140434
610253400545
71422600653
oct371357221
9146043852
1065396369
1133a07295
1219a99155
131071929c
1489846d3
155b1ba7e
hex3e5de91

65396369 has 2 divisors, whose sum is σ = 65396370. Its totient is φ = 65396368.

The previous prime is 65396351. The next prime is 65396381. The reversal of 65396369 is 96369356.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 384400 = 8063^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65396369 is a prime.

It is a super-2 number, since 2×653963692 = 8553370156768322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65396269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32698184 + 32698185.

It is an arithmetic number, because the mean of its divisors is an integer number (32698185).

Almost surely, 265396369 is an apocalyptic number.

It is an amenable number.

65396369 is a deficient number, since it is larger than the sum of its proper divisors (1).

65396369 is an equidigital number, since it uses as much as digits as its factorization.

65396369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 47.

The square root of 65396369 is about 8086.8021491811. The cubic root of 65396369 is about 402.8881976762. Note that the first 3 decimals are identical.

The spelling of 65396369 in words is "sixty-five million, three hundred ninety-six thousand, three hundred sixty-nine".