516405001 has 16 divisors (see below), whose sum is σ = 617904000. Its totient is φ = 422206848.

The previous prime is 516404957. The next prime is 516405079. The reversal of 516405001 is 100504615.

It is not a de Polignac number, because 516405001 - 2¹³ = 516396809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516405101) 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 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 32173.

It is an arithmetic number, because the mean of its divisors is an integer number (38619000).

Almost surely, 2^516405001 is an apocalyptic number.

It is an amenable number.

516405001 is a deficient number, since it is larger than the sum of its proper divisors (101498999).

516405001 is a wasteful number, since it uses less digits than its factorization.

516405001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 516405001 is about 22724.5462220921. The cubic root of 516405001 is about 802.2877230223.

Adding to 516405001 its reverse (100504615), we get a palindrome (616909616).

The spelling of 516405001 in words is "five hundred sixteen million, four hundred five thousand, one".