1473421 has 2 divisors, whose sum is σ = 1473422. Its totient is φ = 1473420.

The previous prime is 1473419. The next prime is 1473443. The reversal of 1473421 is 1243741.

It is an a-pointer prime, because the next prime (1473443) can be obtained adding 1473421 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 617796 = 925^2 + 786^2 .

It is an emirp because it is prime and its reverse (1243741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1473421 - 2¹ = 1473419 is a prime.

Together with 1473419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1473392 and 1473401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736710 + 736711.

It is an arithmetic number, because the mean of its divisors is an integer number (736711).

2^1473421 is an apocalyptic number.

It is an amenable number.

1473421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473421 is an equidigital number, since it uses as much as digits as its factorization.

1473421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 1473421 is about 1213.8455420687. The cubic root of 1473421 is about 113.7912719051.

The spelling of 1473421 in words is "one million, four hundred seventy-three thousand, four hundred twenty-one".