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80635253 is a prime number
BaseRepresentation
bin1001100111001…
…10010101110101
312121201200202212
410303212111311
5131120312003
612000143205
71666250126
oct463462565
9177650685
1080635253
1141575506
1223007b05
131392358a
14a9d004d
15712bdd8
hex4ce6575

80635253 has 2 divisors, whose sum is σ = 80635254. Its totient is φ = 80635252.

The previous prime is 80635223. The next prime is 80635333. The reversal of 80635253 is 35253608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 33616804 = 6857^2 + 5798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80635253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80635213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40317626 + 40317627.

It is an arithmetic number, because the mean of its divisors is an integer number (40317627).

Almost surely, 280635253 is an apocalyptic number.

It is an amenable number.

80635253 is a deficient number, since it is larger than the sum of its proper divisors (1).

80635253 is an equidigital number, since it uses as much as digits as its factorization.

80635253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 80635253 is about 8979.7134141352. The cubic root of 80635253 is about 432.0244417041.

The spelling of 80635253 in words is "eighty million, six hundred thirty-five thousand, two hundred fifty-three".