1283456953 has 2 divisors, whose sum is σ = 1283456954. Its totient is φ = 1283456952.

The previous prime is 1283456927. The next prime is 1283456969. The reversal of 1283456953 is 3596543821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994014784 + 289442169 = 31528^2 + 17013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283456953 - 2⁵ = 1283456921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1283456903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641728476 + 641728477.

It is an arithmetic number, because the mean of its divisors is an integer number (641728477).

Almost surely, 2^1283456953 is an apocalyptic number.

It is an amenable number.

1283456953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283456953 is an equidigital number, since it uses as much as digits as its factorization.

1283456953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 1283456953 is about 35825.3674510116. The cubic root of 1283456953 is about 1086.7436278040.

The spelling of 1283456953 in words is "one billion, two hundred eighty-three million, four hundred fifty-six thousand, nine hundred fifty-three".