253221542303 has 2 divisors, whose sum is σ = 253221542304. Its totient is φ = 253221542302.

The previous prime is 253221542291. The next prime is 253221542383. The reversal of 253221542303 is 303245122352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253221542303 - 2³⁶ = 184502065567 is a prime.

It is a super-2 number, since 2×253221542303² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253221542303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253221542383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126610771151 + 126610771152.

It is an arithmetic number, because the mean of its divisors is an integer number (126610771152).

Almost surely, 2^253221542303 is an apocalyptic number.

253221542303 is a deficient number, since it is larger than the sum of its proper divisors (1).

253221542303 is an equidigital number, since it uses as much as digits as its factorization.

253221542303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 253221542303 its reverse (303245122352), we get a palindrome (556466664655).

The spelling of 253221542303 in words is "two hundred fifty-three billion, two hundred twenty-one million, five hundred forty-two thousand, three hundred three".