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252045413 is a prime number
BaseRepresentation
bin11110000010111…
…10100001100101
3122120021020022022
433001132201211
51004010423123
641002112525
76150231164
oct1701364145
9576236268
10252045413
1111a3004a4
12704ab745
13402aa6c9
142568d3db
15171da1c8
hexf05e865

252045413 has 2 divisors, whose sum is σ = 252045414. Its totient is φ = 252045412.

The previous prime is 252045373. The next prime is 252045439. The reversal of 252045413 is 314540252.

It is a happy number.

252045413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (252045439) can be obtained adding 252045413 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130119649 + 121925764 = 11407^2 + 11042^2 .

It is a cyclic number.

It is not a de Polignac number, because 252045413 - 216 = 251979877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252045113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126022706 + 126022707.

It is an arithmetic number, because the mean of its divisors is an integer number (126022707).

Almost surely, 2252045413 is an apocalyptic number.

It is an amenable number.

252045413 is a deficient number, since it is larger than the sum of its proper divisors (1).

252045413 is an equidigital number, since it uses as much as digits as its factorization.

252045413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 252045413 is about 15875.9381770023. The cubic root of 252045413 is about 631.6738999256.

Adding to 252045413 its reverse (314540252), we get a palindrome (566585665).

The spelling of 252045413 in words is "two hundred fifty-two million, forty-five thousand, four hundred thirteen".