1355254193 has 2 divisors, whose sum is σ = 1355254194. Its totient is φ = 1355254192.

The previous prime is 1355254181. The next prime is 1355254217. The reversal of 1355254193 is 3914525531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793943329 + 561310864 = 28177^2 + 23692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355254193 - 2¹⁰ = 1355253169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355254393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677627096 + 677627097.

It is an arithmetic number, because the mean of its divisors is an integer number (677627097).

Almost surely, 2^1355254193 is an apocalyptic number.

It is an amenable number.

1355254193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355254193 is an equidigital number, since it uses as much as digits as its factorization.

1355254193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 1355254193 is about 36813.7772172321. Note that the first 3 decimals coincide. The cubic root of 1355254193 is about 1106.6414166087.

The spelling of 1355254193 in words is "one billion, three hundred fifty-five million, two hundred fifty-four thousand, one hundred ninety-three".