1353256355257 has 2 divisors, whose sum is σ = 1353256355258. Its totient is φ = 1353256355256.

The previous prime is 1353256355249. The next prime is 1353256355383. The reversal of 1353256355257 is 7525536523531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976991888041 + 376264467216 = 988429^2 + 613404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353256355257 - 2³ = 1353256355249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353256355237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676628177628 + 676628177629.

It is an arithmetic number, because the mean of its divisors is an integer number (676628177629).

Almost surely, 2^{1353256355257} is an apocalyptic number.

It is an amenable number.

1353256355257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353256355257 is an equidigital number, since it uses as much as digits as its factorization.

1353256355257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14175000, while the sum is 52.

The spelling of 1353256355257 in words is "one trillion, three hundred fifty-three billion, two hundred fifty-six million, three hundred fifty-five thousand, two hundred fifty-seven".