1253445141313 has 2 divisors, whose sum is σ = 1253445141314. Its totient is φ = 1253445141312.

The previous prime is 1253445141293. The next prime is 1253445141379. The reversal of 1253445141313 is 3131415443521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698616803889 + 554828337424 = 835833^2 + 744868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253445141313 is a prime.

It is a super-2 number, since 2×1253445141313² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253445141383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626722570656 + 626722570657.

It is an arithmetic number, because the mean of its divisors is an integer number (626722570657).

Almost surely, 2^{1253445141313} is an apocalyptic number.

It is an amenable number.

1253445141313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253445141313 is an equidigital number, since it uses as much as digits as its factorization.

1253445141313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The spelling of 1253445141313 in words is "one trillion, two hundred fifty-three billion, four hundred forty-five million, one hundred forty-one thousand, three hundred thirteen".