180350530 has 8 divisors (see below), whose sum is σ = 324630972. Its totient is φ = 72140208.

The previous prime is 180350509. The next prime is 180350537. The reversal of 180350530 is 35053081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 172738449 + 7612081 = 13143^2 + 2759^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 180350495 and 180350504.

It is not an unprimeable number, because it can be changed into a prime (180350537) 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 3 ways as a sum of consecutive naturals, for example, 9017517 + ... + 9017536.

Almost surely, 2^180350530 is an apocalyptic number.

180350530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180350530 is a deficient number, since it is larger than the sum of its proper divisors (144280442).

180350530 is a wasteful number, since it uses less digits than its factorization.

180350530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18035060.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 180350530 is about 13429.4649930666. The cubic root of 180350530 is about 564.9878922928.

The spelling of 180350530 in words is "one hundred eighty million, three hundred fifty thousand, five hundred thirty".