502406001 has 6 divisors (see below), whose sum is σ = 725697570. Its totient is φ = 334937328.

The previous prime is 502405993. The next prime is 502406029. The reversal of 502406001 is 100604205.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 427496976 + 74909025 = 20676^2 + 8655^2 .

It is not a de Polignac number, because 502406001 - 2³ = 502405993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502406501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27911436 + ... + 27911453.

It is an arithmetic number, because the mean of its divisors is an integer number (120949595).

Almost surely, 2^502406001 is an apocalyptic number.

It is an amenable number.

502406001 is a deficient number, since it is larger than the sum of its proper divisors (223291569).

502406001 is a wasteful number, since it uses less digits than its factorization.

502406001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55822895 (or 55822892 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 502406001 is about 22414.4150269419. The cubic root of 502406001 is about 794.9715855514.

The spelling of 502406001 in words is "five hundred two million, four hundred six thousand, one".