1500501 has 4 divisors (see below), whose sum is σ = 2000672. Its totient is φ = 1000332.

The previous prime is 1500491. The next prime is 1500503. The reversal of 1500501 is 1050051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1500501 - 2⁵ = 1500469 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500503) 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, 250081 + ... + 250086.

It is an arithmetic number, because the mean of its divisors is an integer number (500168).

2^1500501 is an apocalyptic number.

It is an amenable number.

1500501 is a deficient number, since it is larger than the sum of its proper divisors (500171).

1500501 is an equidigital number, since it uses as much as digits as its factorization.

1500501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500170.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 1500501 is about 1224.9493867095. The cubic root of 1500501 is about 114.4841673219.

Adding to 1500501 its reverse (1050051), we get a palindrome (2550552).

It can be divided in two parts, 150050 and 1, that added together give a palindrome (150051).

The spelling of 1500501 in words is "one million, five hundred thousand, five hundred one".