515530001 has 8 divisors (see below), whose sum is σ = 589747200. Its totient is φ = 441455328.

The previous prime is 515529979. The next prime is 515530003. The reversal of 515530001 is 100035515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515530001 - 2¹⁴ = 515513617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515530003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27761 + ... + 42446.

It is an arithmetic number, because the mean of its divisors is an integer number (73718400).

Almost surely, 2^515530001 is an apocalyptic number.

It is an amenable number.

515530001 is a deficient number, since it is larger than the sum of its proper divisors (74217199).

515530001 is a wasteful number, since it uses less digits than its factorization.

515530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71263.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 515530001 is about 22705.2857502389. The cubic root of 515530001 is about 801.8343330009.

Adding to 515530001 its reverse (100035515), we get a palindrome (615565516).

The spelling of 515530001 in words is "five hundred fifteen million, five hundred thirty thousand, one".