509622001 has 6 divisors (see below), whose sum is σ = 592825650. Its totient is φ = 436818816.

The previous prime is 509621963. The next prime is 509622007. The reversal of 509622001 is 100226905.

It can be written as a sum of positive squares in only one way, i.e., 503957601 + 5664400 = 22449^2 + 2380^2 .

It is not a de Polignac number, because 509622001 - 2¹⁵ = 509589233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509622007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5200176 + ... + 5200273.

It is an arithmetic number, because the mean of its divisors is an integer number (98804275).

Almost surely, 2^509622001 is an apocalyptic number.

It is an amenable number.

509622001 is a deficient number, since it is larger than the sum of its proper divisors (83203649).

509622001 is a wasteful number, since it uses less digits than its factorization.

509622001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400463 (or 10400456 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 509622001 is about 22574.8089914400. The cubic root of 509622001 is about 798.7595364109.

Adding to 509622001 its reverse (100226905), we get a palindrome (609848906).

The spelling of 509622001 in words is "five hundred nine million, six hundred twenty-two thousand, one".