612030530 has 8 divisors (see below), whose sum is σ = 1101654972. Its totient is φ = 244812208.

The previous prime is 612030511. The next prime is 612030557. The reversal of 612030530 is 35030216.

It can be written as a sum of positive squares in 2 ways, for example, as 606587641 + 5442889 = 24629^2 + 2333^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30601517 + ... + 30601536.

Almost surely, 2^612030530 is an apocalyptic number.

612030530 is a deficient number, since it is larger than the sum of its proper divisors (489624442).

612030530 is a wasteful number, since it uses less digits than its factorization.

612030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61203060.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 612030530 is about 24739.2507970634. The cubic root of 612030530 is about 849.0325925807.

Adding to 612030530 its reverse (35030216), we get a palindrome (647060746).

The spelling of 612030530 in words is "six hundred twelve million, thirty thousand, five hundred thirty".