253530029 has 2 divisors, whose sum is σ = 253530030. Its totient is φ = 253530028.

The previous prime is 253530007. The next prime is 253530041. The reversal of 253530029 is 920035352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202407529 + 51122500 = 14227^2 + 7150^2 .

It is a cyclic number.

It is not a de Polignac number, because 253530029 - 2¹⁶ = 253464493 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 253529983 and 253530010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253530049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126765014 + 126765015.

It is an arithmetic number, because the mean of its divisors is an integer number (126765015).

Almost surely, 2^253530029 is an apocalyptic number.

It is an amenable number.

253530029 is a deficient number, since it is larger than the sum of its proper divisors (1).

253530029 is an equidigital number, since it uses as much as digits as its factorization.

253530029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 253530029 is about 15922.6263223125. The cubic root of 253530029 is about 632.9117164017.

The spelling of 253530029 in words is "two hundred fifty-three million, five hundred thirty thousand, twenty-nine".