506001506 has 4 divisors (see below), whose sum is σ = 759002262. Its totient is φ = 253000752.

The previous prime is 506001493. The next prime is 506001533. The reversal of 506001506 is 605100605.

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

It can be written as a sum of positive squares in only one way, i.e., 378108025 + 127893481 = 19445^2 + 11309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126500375 + ... + 126500378.

Almost surely, 2^506001506 is an apocalyptic number.

506001506 is a deficient number, since it is larger than the sum of its proper divisors (253000756).

506001506 is a wasteful number, since it uses less digits than its factorization.

506001506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253000755.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 506001506 is about 22494.4772333122. The cubic root of 506001506 is about 796.8635034322.

Subtracting 506001506 from its reverse (605100605), we obtain a palindrome (99099099).

The spelling of 506001506 in words is "five hundred six million, one thousand, five hundred six".