505142001 has 40 divisors (see below), whose sum is σ = 928745664. Its totient is φ = 266444640.

The previous prime is 505141997. The next prime is 505142003. The reversal of 505142001 is 100241505.

It is not a de Polignac number, because 505142001 - 2² = 505141997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505142003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26895 + ... + 41636.

Almost surely, 2^505142001 is an apocalyptic number.

It is an amenable number.

505142001 is a deficient number, since it is larger than the sum of its proper divisors (423603663).

505142001 is a wasteful number, since it uses less digits than its factorization.

505142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563 (or 68554 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 505142001 is about 22475.3643129539. The cubic root of 505142001 is about 796.4120579170.

Adding to 505142001 its reverse (100241505), we get a palindrome (605383506).

The spelling of 505142001 in words is "five hundred five million, one hundred forty-two thousand, one".