1283437 has 2 divisors, whose sum is σ = 1283438. Its totient is φ = 1283436.

The previous prime is 1283417. The next prime is 1283441. The reversal of 1283437 is 7343821.

It is the 463-rd star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 373321 = 954^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283437 - 2¹¹ = 1281389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641718 + 641719.

It is an arithmetic number, because the mean of its divisors is an integer number (641719).

2^1283437 is an apocalyptic number.

It is an amenable number.

1283437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283437 is an equidigital number, since it uses as much as digits as its factorization.

1283437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 1283437 is about 1132.8887853624. Note that the first 3 decimals coincide. The cubic root of 1283437 is about 108.6737996163.

The spelling of 1283437 in words is "one million, two hundred eighty-three thousand, four hundred thirty-seven".