253963429 has 2 divisors, whose sum is σ = 253963430. Its totient is φ = 253963428.

The previous prime is 253963403. The next prime is 253963441. The reversal of 253963429 is 924369352.

253963429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253924225 + 39204 = 15935^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 253963429 - 2⁵ = 253963397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253963529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126981714 + 126981715.

It is an arithmetic number, because the mean of its divisors is an integer number (126981715).

Almost surely, 2^253963429 is an apocalyptic number.

It is an amenable number.

253963429 is a deficient number, since it is larger than the sum of its proper divisors (1).

253963429 is an equidigital number, since it uses as much as digits as its factorization.

253963429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 43.

The square root of 253963429 is about 15936.2300748954. The cubic root of 253963429 is about 633.2721573104.

The spelling of 253963429 in words is "two hundred fifty-three million, nine hundred sixty-three thousand, four hundred twenty-nine".