253534343 has 2 divisors, whose sum is σ = 253534344. Its totient is φ = 253534342.

The previous prime is 253534339. The next prime is 253534349. The reversal of 253534343 is 343435352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253534343 - 2² = 253534339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253534349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126767171 + 126767172.

It is an arithmetic number, because the mean of its divisors is an integer number (126767172).

Almost surely, 2^253534343 is an apocalyptic number.

253534343 is a deficient number, since it is larger than the sum of its proper divisors (1).

253534343 is an equidigital number, since it uses as much as digits as its factorization.

253534343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 32.

The square root of 253534343 is about 15922.7617893379. The cubic root of 253534343 is about 632.9153062009.

Adding to 253534343 its reverse (343435352), we get a palindrome (596969695).

The spelling of 253534343 in words is "two hundred fifty-three million, five hundred thirty-four thousand, three hundred forty-three".