1351289 has 2 divisors, whose sum is σ = 1351290. Its totient is φ = 1351288.

The previous prime is 1351283. The next prime is 1351291. The reversal of 1351289 is 9821531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283689 + 67600 = 1133^2 + 260^2 .

It is an emirp because it is prime and its reverse (9821531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351289 is a prime.

Together with 1351291, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1351283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675644 + 675645.

It is an arithmetic number, because the mean of its divisors is an integer number (675645).

2^1351289 is an apocalyptic number.

It is an amenable number.

1351289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351289 is an equidigital number, since it uses as much as digits as its factorization.

1351289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 1351289 is about 1162.4495687986. The cubic root of 1351289 is about 110.5561094483.

The spelling of 1351289 in words is "one million, three hundred fifty-one thousand, two hundred eighty-nine".