253221153303 has 32 divisors (see below), whose sum is σ = 385894886400. Its totient is φ = 146735300096.

The previous prime is 253221153301. The next prime is 253221153313. The reversal of 253221153303 is 303351122352.

It is a happy number.

253221153303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253221153303 - 2¹ = 253221153301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253221153301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3687963 + ... + 3755996.

It is an arithmetic number, because the mean of its divisors is an integer number (12059215200).

Almost surely, 2^253221153303 is an apocalyptic number.

253221153303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253221153303 is a deficient number, since it is larger than the sum of its proper divisors (132673733097).

253221153303 is a wasteful number, since it uses less digits than its factorization.

253221153303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444031.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 253221153303 its reverse (303351122352), we get a palindrome (556572275655).

The spelling of 253221153303 in words is "two hundred fifty-three billion, two hundred twenty-one million, one hundred fifty-three thousand, three hundred three".