1283474243 has 2 divisors, whose sum is σ = 1283474244. Its totient is φ = 1283474242.

The previous prime is 1283474233. The next prime is 1283474293. The reversal of 1283474243 is 3424743821.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424743821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1283474243 - 2¹⁴ = 1283457859 is a prime.

It is a super-2 number, since 2×1283474243² = 3294612264888846098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1283474197 and 1283474206.

It is not a weakly prime, because it can be changed into another prime (1283474233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641737121 + 641737122.

It is an arithmetic number, because the mean of its divisors is an integer number (641737122).

Almost surely, 2^1283474243 is an apocalyptic number.

1283474243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283474243 is an equidigital number, since it uses as much as digits as its factorization.

1283474243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 38.

The square root of 1283474243 is about 35825.6087596568. The cubic root of 1283474243 is about 1086.7485077788.

The spelling of 1283474243 in words is "one billion, two hundred eighty-three million, four hundred seventy-four thousand, two hundred forty-three".