1351783 has 2 divisors, whose sum is σ = 1351784. Its totient is φ = 1351782.

The previous prime is 1351781. The next prime is 1351799. The reversal of 1351783 is 3871531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351783 - 2¹ = 1351781 is a prime.

Together with 1351781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675891 + 675892.

It is an arithmetic number, because the mean of its divisors is an integer number (675892).

2^1351783 is an apocalyptic number.

1351783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351783 is an equidigital number, since it uses as much as digits as its factorization.

1351783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1351783 is about 1162.6620317186. The cubic root of 1351783 is about 110.5695800589.

The spelling of 1351783 in words is "one million, three hundred fifty-one thousand, seven hundred eighty-three".