1283411761 has 2 divisors, whose sum is σ = 1283411762. Its totient is φ = 1283411760.

The previous prime is 1283411737. The next prime is 1283411783. The reversal of 1283411761 is 1671143821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147922161 + 135489600 = 33881^2 + 11640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283411761 - 2⁹ = 1283411249 is a prime.

It is a super-2 number, since 2×1283411761² = 3294291496546242242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1283411861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641705880 + 641705881.

It is an arithmetic number, because the mean of its divisors is an integer number (641705881).

Almost surely, 2^1283411761 is an apocalyptic number.

It is an amenable number.

1283411761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283411761 is an equidigital number, since it uses as much as digits as its factorization.

1283411761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 1283411761 is about 35824.7367192000. The cubic root of 1283411761 is about 1086.7308724886.

The spelling of 1283411761 in words is "one billion, two hundred eighty-three million, four hundred eleven thousand, seven hundred sixty-one".