612909048 has 32 divisors (see below), whose sum is σ = 1533139200. Its totient is φ = 204187488.

The previous prime is 612909001. The next prime is 612909053. The reversal of 612909048 is 840909216.

612909048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 24757²-1.

It is a super-2 number, since 2×612909048² = 751315002240532608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612908997 and 612909015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43323 + ... + 55701.

It is an arithmetic number, because the mean of its divisors is an integer number (47910600).

Almost surely, 2^612909048 is an apocalyptic number.

It is an amenable number.

612909048 is an abundant number, since it is smaller than the sum of its proper divisors (920230152).

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

612909048 is a wasteful number, since it uses less digits than its factorization.

612909048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14451 (or 14447 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 612909048 is about 24756.9999798037. Note that the first 4 decimals coincide. The cubic root of 612909048 is about 849.4386364927.

The spelling of 612909048 in words is "six hundred twelve million, nine hundred nine thousand, forty-eight".