1283881451 has 2 divisors, whose sum is σ = 1283881452. Its totient is φ = 1283881450.

The previous prime is 1283881447. The next prime is 1283881541. The reversal of 1283881451 is 1541883821.

Together with next prime (1283881541) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1283881451 - 2² = 1283881447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1283881399 and 1283881408.

It is not a weakly prime, because it can be changed into another prime (1283881411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641940725 + 641940726.

It is an arithmetic number, because the mean of its divisors is an integer number (641940726).

Almost surely, 2^1283881451 is an apocalyptic number.

1283881451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283881451 is an equidigital number, since it uses as much as digits as its factorization.

1283881451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 41.

The square root of 1283881451 is about 35831.2915061682. The cubic root of 1283881451 is about 1086.8634265617.

The spelling of 1283881451 in words is "one billion, two hundred eighty-three million, eight hundred eighty-one thousand, four hundred fifty-one".