612530300 has 18 divisors (see below), whose sum is σ = 1329190968. Its totient is φ = 245012080.

The previous prime is 612530297. The next prime is 612530309. The reversal of 612530300 is 3035216.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612530309) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3062552 + ... + 3062751.

Almost surely, 2^612530300 is an apocalyptic number.

It is an amenable number.

612530300 is an abundant number, since it is smaller than the sum of its proper divisors (716660668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612530300 is a wasteful number, since it uses less digits than its factorization.

612530300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125317 (or 6125310 counting only the distinct ones).

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

The square root of 612530300 is about 24749.3494864006. The cubic root of 612530300 is about 849.2636298430.

Adding to 612530300 its reverse (3035216), we get a palindrome (615565516).

The spelling of 612530300 in words is "six hundred twelve million, five hundred thirty thousand, three hundred".