1473391 has 2 divisors, whose sum is σ = 1473392. Its totient is φ = 1473390.

The previous prime is 1473389. The next prime is 1473419. The reversal of 1473391 is 1933741.

It is an a-pointer prime, because the next prime (1473419) can be obtained adding 1473391 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (1933741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1473391 - 2¹ = 1473389 is a prime.

Together with 1473389, 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 (1473301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736695 + 736696.

It is an arithmetic number, because the mean of its divisors is an integer number (736696).

2^1473391 is an apocalyptic number.

1473391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473391 is an equidigital number, since it uses as much as digits as its factorization.

1473391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 1473391 is about 1213.8331845851. The cubic root of 1473391 is about 113.7904996069.

It can be divided in two parts, 14733 and 91, that multiplied together give a triangular number (1340703 = T₁₆₃₇).

The spelling of 1473391 in words is "one million, four hundred seventy-three thousand, three hundred ninety-one".