1500473 has 4 divisors (see below), whose sum is σ = 1615908. Its totient is φ = 1385040.

The previous prime is 1500469. The next prime is 1500479. The reversal of 1500473 is 3740051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425104 + 1075369 = 652^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500473 - 2² = 1500469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1500479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57698 + ... + 57723.

It is an arithmetic number, because the mean of its divisors is an integer number (403977).

2^1500473 is an apocalyptic number.

1500473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1500473 is a deficient number, since it is larger than the sum of its proper divisors (115435).

1500473 is a wasteful number, since it uses less digits than its factorization.

1500473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115434.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1500473 is about 1224.9379576125. The cubic root of 1500473 is about 114.4834552094.

The spelling of 1500473 in words is "one million, five hundred thousand, four hundred seventy-three".