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512494811 is a prime number
BaseRepresentation
bin11110100011000…
…000110011011011
31022201100102201022
4132203000303123
52022144313221
6122504313055
715462063653
oct3643006333
91281312638
10512494811
11243320a34
1212377278b
138223b38a
144c0c9363
152eed54ab
hex1e8c0cdb

512494811 has 2 divisors, whose sum is σ = 512494812. Its totient is φ = 512494810.

The previous prime is 512494729. The next prime is 512494813. The reversal of 512494811 is 118494215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512494811 - 214 = 512478427 is a prime.

Together with 512494813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (512494813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256247405 + 256247406.

It is an arithmetic number, because the mean of its divisors is an integer number (256247406).

Almost surely, 2512494811 is an apocalyptic number.

512494811 is a deficient number, since it is larger than the sum of its proper divisors (1).

512494811 is an equidigital number, since it uses as much as digits as its factorization.

512494811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 512494811 is about 22638.3482392157. The cubic root of 512494811 is about 800.2576310864.

The spelling of 512494811 in words is "five hundred twelve million, four hundred ninety-four thousand, eight hundred eleven".