1506943 has 2 divisors, whose sum is σ = 1506944. Its totient is φ = 1506942.

The previous prime is 1506929. The next prime is 1506959. The reversal of 1506943 is 3496051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1506943 - 2¹³ = 1498751 is a prime.

It is an Ulam number.

1506943 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1506443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753471 + 753472.

It is an arithmetic number, because the mean of its divisors is an integer number (753472).

2^1506943 is an apocalyptic number.

1506943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506943 is an equidigital number, since it uses as much as digits as its factorization.

1506943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1506943 is about 1227.5760668895. The cubic root of 1506943 is about 114.6477691426.

It can be divided in two parts, 1 and 506943, that added together give a square (506944 = 712²).

The spelling of 1506943 in words is "one million, five hundred six thousand, nine hundred forty-three".