1500506001 has 6 divisors (see below), whose sum is σ = 2167397570. Its totient is φ = 1000337328.

The previous prime is 1500505961. The next prime is 1500506017. The reversal of 1500506001 is 1006050051.

1500506001 is a `hidden beast` number, since 15 + 0 + 0 + 50 + 600 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1019844225 + 480661776 = 31935^2 + 21924^2 .

It is not a de Polignac number, because 1500506001 - 2⁷ = 1500505873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1500506201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83361436 + ... + 83361453.

Almost surely, 2^1500506001 is an apocalyptic number.

It is an amenable number.

1500506001 is a deficient number, since it is larger than the sum of its proper divisors (666891569).

1500506001 is a wasteful number, since it uses less digits than its factorization.

1500506001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166722895 (or 166722892 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1500506001 is about 38736.3653560837. The cubic root of 1500506001 is about 1144.8429450939.

Adding to 1500506001 its reverse (1006050051), we get a palindrome (2506556052).

The spelling of 1500506001 in words is "one billion, five hundred million, five hundred six thousand, one".