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1255012351 is a prime number
BaseRepresentation
bin100101011001101…
…1111011111111111
310020110112020021221
41022303133133333
510032240343401
6324311134211
743046300065
oct11263373777
93213466257
101255012351
1159447039a
122b0374367
13170016178
14bc970035
15752a57a1
hex4acdf7ff

1255012351 has 2 divisors, whose sum is σ = 1255012352. Its totient is φ = 1255012350.

The previous prime is 1255012333. The next prime is 1255012379. The reversal of 1255012351 is 1532105521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255012351 - 213 = 1255004159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627506175 + 627506176.

It is an arithmetic number, because the mean of its divisors is an integer number (627506176).

Almost surely, 21255012351 is an apocalyptic number.

1255012351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255012351 is an equidigital number, since it uses as much as digits as its factorization.

1255012351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1255012351 is about 35426.1534886304. The cubic root of 1255012351 is about 1078.6552624823.

Adding to 1255012351 its reverse (1532105521), we get a palindrome (2787117872).

The spelling of 1255012351 in words is "one billion, two hundred fifty-five million, twelve thousand, three hundred fifty-one".