1351083493 has 2 divisors, whose sum is σ = 1351083494. Its totient is φ = 1351083492.

The previous prime is 1351083469. The next prime is 1351083499. The reversal of 1351083493 is 3943801531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115092449 + 235991044 = 33393^2 + 15362^2 .

It is an emirp because it is prime and its reverse (3943801531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351083493 - 2⁹ = 1351082981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351083499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675541746 + 675541747.

It is an arithmetic number, because the mean of its divisors is an integer number (675541747).

Almost surely, 2^1351083493 is an apocalyptic number.

It is an amenable number.

1351083493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351083493 is an equidigital number, since it uses as much as digits as its factorization.

1351083493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1351083493 is about 36757.0876566683. The cubic root of 1351083493 is about 1105.5050462544.

It can be divided in two parts, 135108 and 3493, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 1351083493 in words is "one billion, three hundred fifty-one million, eighty-three thousand, four hundred ninety-three".