253203462137 has 2 divisors, whose sum is σ = 253203462138. Its totient is φ = 253203462136.

The previous prime is 253203462131. The next prime is 253203462199. The reversal of 253203462137 is 731264302352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143202453241 + 110001008896 = 378421^2 + 331664^2 .

It is a cyclic number.

It is not a de Polignac number, because 253203462137 - 2⁸ = 253203461881 is a prime.

It is a super-2 number, since 2×253203462137² (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 253203462137.

It is not a weakly prime, because it can be changed into another prime (253203462131) 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, 126601731068 + 126601731069.

It is an arithmetic number, because the mean of its divisors is an integer number (126601731069).

Almost surely, 2^253203462137 is an apocalyptic number.

It is an amenable number.

253203462137 is a deficient number, since it is larger than the sum of its proper divisors (1).

253203462137 is an equidigital number, since it uses as much as digits as its factorization.

253203462137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 253203462137 its reverse (731264302352), we get a palindrome (984467764489).

The spelling of 253203462137 in words is "two hundred fifty-three billion, two hundred three million, four hundred sixty-two thousand, one hundred thirty-seven".