538973530 has 8 divisors (see below), whose sum is σ = 970152372. Its totient is φ = 215589408.

The previous prime is 538973489. The next prime is 538973543. The reversal of 538973530 is 35379835.

It can be written as a sum of positive squares in 2 ways, for example, as 500372161 + 38601369 = 22369^2 + 6213^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26948667 + ... + 26948686.

Almost surely, 2^538973530 is an apocalyptic number.

538973530 is a deficient number, since it is larger than the sum of its proper divisors (431178842).

538973530 is a wasteful number, since it uses less digits than its factorization.

538973530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53897360.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 538973530 is about 23215.8034536821. The cubic root of 538973530 is about 813.8089820965.

The spelling of 538973530 in words is "five hundred thirty-eight million, nine hundred seventy-three thousand, five hundred thirty".