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1255102253 is a prime number
BaseRepresentation
bin100101011001111…
…0101011100101101
310020110200210121122
41022303311130231
510032301233003
6324313110325
743050123146
oct11263653455
93213623548
101255102253
11594521999
122b03b83a5
13170048072
14bc994acd
15752c2238
hex4acf572d

1255102253 has 2 divisors, whose sum is σ = 1255102254. Its totient is φ = 1255102252.

The previous prime is 1255102201. The next prime is 1255102259. The reversal of 1255102253 is 3522015521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892694884 + 362407369 = 29878^2 + 19037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255102253 - 218 = 1254840109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255102259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627551126 + 627551127.

It is an arithmetic number, because the mean of its divisors is an integer number (627551127).

Almost surely, 21255102253 is an apocalyptic number.

It is an amenable number.

1255102253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255102253 is an equidigital number, since it uses as much as digits as its factorization.

1255102253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1255102253 is about 35427.4223307313. The cubic root of 1255102253 is about 1078.6810181253.

Adding to 1255102253 its reverse (3522015521), we get a palindrome (4777117774).

The spelling of 1255102253 in words is "one billion, two hundred fifty-five million, one hundred two thousand, two hundred fifty-three".