506245001001 has 4 divisors (see below), whose sum is σ = 674993334672. Its totient is φ = 337496667332.

The previous prime is 506245000973. The next prime is 506245001011. The reversal of 506245001001 is 100100542605.

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 a cyclic number.

It is not a de Polignac number, because 506245001001 - 2⁹ = 506245000489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506245001011) 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, 84374166831 + ... + 84374166836.

It is an arithmetic number, because the mean of its divisors is an integer number (168748333668).

Almost surely, 2^506245001001 is an apocalyptic number.

It is an amenable number.

506245001001 is a deficient number, since it is larger than the sum of its proper divisors (168748333671).

506245001001 is a wasteful number, since it uses less digits than its factorization.

506245001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168748333670.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 506245001001 its reverse (100100542605), we get a palindrome (606345543606).

The spelling of 506245001001 in words is "five hundred six billion, two hundred forty-five million, one thousand, one".