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523512349 is a prime number
BaseRepresentation
bin11111001101000…
…010101000011101
31100111002011221021
4133031002220131
52033004343344
6123540404141
715654532033
oct3715025035
91314064837
10523512349
11249566638
121273a6651
13845c8129
144d756553
1530e5eb84
hex1f342a1d

523512349 has 2 divisors, whose sum is σ = 523512350. Its totient is φ = 523512348.

The previous prime is 523512293. The next prime is 523512383. The reversal of 523512349 is 943215325.

It is an a-pointer prime, because the next prime (523512383) can be obtained adding 523512349 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392753124 + 130759225 = 19818^2 + 11435^2 .

It is a cyclic number.

It is not a de Polignac number, because 523512349 - 215 = 523479581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523512049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261756174 + 261756175.

It is an arithmetic number, because the mean of its divisors is an integer number (261756175).

Almost surely, 2523512349 is an apocalyptic number.

It is an amenable number.

523512349 is a deficient number, since it is larger than the sum of its proper divisors (1).

523512349 is an equidigital number, since it uses as much as digits as its factorization.

523512349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 523512349 is about 22880.3922387707. The cubic root of 523512349 is about 805.9516279590.

The spelling of 523512349 in words is "five hundred twenty-three million, five hundred twelve thousand, three hundred forty-nine".