1351325281 has 2 divisors, whose sum is σ = 1351325282. Its totient is φ = 1351325280.

The previous prime is 1351325263. The next prime is 1351325293. The reversal of 1351325281 is 1825231531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848848225 + 502477056 = 29135^2 + 22416^2 .

It is an emirp because it is prime and its reverse (1825231531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351325281 - 2⁵ = 1351325249 is a prime.

It is a super-2 number, since 2×1351325281² = 3652160030139457922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1351325081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675662640 + 675662641.

It is an arithmetic number, because the mean of its divisors is an integer number (675662641).

Almost surely, 2^1351325281 is an apocalyptic number.

It is an amenable number.

1351325281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351325281 is an equidigital number, since it uses as much as digits as its factorization.

1351325281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 1351325281 is about 36760.3765078651. The cubic root of 1351325281 is about 1105.5709888632.

The spelling of 1351325281 in words is "one billion, three hundred fifty-one million, three hundred twenty-five thousand, two hundred eighty-one".