510050000561 has 4 divisors (see below), whose sum is σ = 510051838500. Its totient is φ = 510048162624.

The previous prime is 510050000531. The next prime is 510050000573. The reversal of 510050000561 is 165000050015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212561569936 + 297488430625 = 461044^2 + 545425^2 .

It is a cyclic number.

It is not a de Polignac number, because 510050000561 - 2⁶ = 510050000497 is a prime.

It is a super-2 number, since 2×510050000561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (510050000521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407996 + ... + 1089293.

It is an arithmetic number, because the mean of its divisors is an integer number (127512959625).

Almost surely, 2^510050000561 is an apocalyptic number.

It is an amenable number.

510050000561 is a deficient number, since it is larger than the sum of its proper divisors (1837939).

510050000561 is a wasteful number, since it uses less digits than its factorization.

510050000561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837938.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 510050000561 its reverse (165000050015), we get a palindrome (675050050576).

The spelling of 510050000561 in words is "five hundred ten billion, fifty million, five hundred sixty-one", and thus it is an aban number.