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252030013 is a prime number
BaseRepresentation
bin11110000010110…
…10110000111101
3122120020110011221
433001122300331
51004004430023
641001513341
76150135244
oct1701326075
9576213157
10252030013
1111a29a974
12704a2851
13402a36b1
142568795b
15171d585d
hexf05ac3d

252030013 has 2 divisors, whose sum is σ = 252030014. Its totient is φ = 252030012.

The previous prime is 252029989. The next prime is 252030017. The reversal of 252030013 is 310030252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251761689 + 268324 = 15867^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252030013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252030017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126015006 + 126015007.

It is an arithmetic number, because the mean of its divisors is an integer number (126015007).

Almost surely, 2252030013 is an apocalyptic number.

It is an amenable number.

252030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

252030013 is an equidigital number, since it uses as much as digits as its factorization.

252030013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 252030013 is about 15875.4531588865. The cubic root of 252030013 is about 631.6610345507.

Adding to 252030013 its reverse (310030252), we get a palindrome (562060265).

The spelling of 252030013 in words is "two hundred fifty-two million, thirty thousand, thirteen".