1500073 has 2 divisors, whose sum is σ = 1500074. Its totient is φ = 1500072.

The previous prime is 1500071. The next prime is 1500101. The reversal of 1500073 is 3700051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 327184 = 1083^2 + 572^2 .

It is an emirp because it is prime and its reverse (3700051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1500073 - 2¹ = 1500071 is a prime.

Together with 1500071, it forms a pair of twin primes.

It is equal to p₁₁₄₁₆₃ and since 1500073 and 114163 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750036 + 750037.

It is an arithmetic number, because the mean of its divisors is an integer number (750037).

2^1500073 is an apocalyptic number.

It is an amenable number.

1500073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500073 is an equidigital number, since it uses as much as digits as its factorization.

1500073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 1500073 is about 1224.7746731542. The cubic root of 1500073 is about 114.4732812061.

The spelling of 1500073 in words is "one million, five hundred thousand, seventy-three".