1500973 has 2 divisors, whose sum is σ = 1500974. Its totient is φ = 1500972.

The previous prime is 1500937. The next prime is 1500991. The reversal of 1500973 is 3790051.

Together with previous prime (1500937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1444804 + 56169 = 1202^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1500973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500073) 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, 750486 + 750487.

It is an arithmetic number, because the mean of its divisors is an integer number (750487).

2^1500973 is an apocalyptic number.

It is an amenable number.

1500973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500973 is an equidigital number, since it uses as much as digits as its factorization.

1500973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1500973 is about 1225.1420325823. The cubic root of 1500973 is about 114.4961701712.

The spelling of 1500973 in words is "one million, five hundred thousand, nine hundred seventy-three".