1253343032251 has 2 divisors, whose sum is σ = 1253343032252. Its totient is φ = 1253343032250.

The previous prime is 1253343032237. The next prime is 1253343032287. The reversal of 1253343032251 is 1522303433521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253343032251 - 2¹⁵ = 1253342999483 is a prime.

It is a super-2 number, since 2×1253343032251² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253343032651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626671516125 + 626671516126.

It is an arithmetic number, because the mean of its divisors is an integer number (626671516126).

Almost surely, 2^{1253343032251} is an apocalyptic number.

1253343032251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253343032251 is an equidigital number, since it uses as much as digits as its factorization.

1253343032251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 1253343032251 its reverse (1522303433521), we get a palindrome (2775646465772).

The spelling of 1253343032251 in words is "one trillion, two hundred fifty-three billion, three hundred forty-three million, thirty-two thousand, two hundred fifty-one".