612053538 has 8 divisors (see below), whose sum is σ = 1224107088. Its totient is φ = 204017844.

The previous prime is 612053531. The next prime is 612053569. The reversal of 612053538 is 835350216.

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

612053538 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612053499 and 612053508.

It is not an unprimeable number, because it can be changed into a prime (612053531) 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 3 ways as a sum of consecutive naturals, for example, 51004456 + ... + 51004467.

It is an arithmetic number, because the mean of its divisors is an integer number (153013386).

Almost surely, 2^612053538 is an apocalyptic number.

612053538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612053538 is a wasteful number, since it uses less digits than its factorization.

612053538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102008928.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 612053538 is about 24739.7158027331. The cubic root of 612053538 is about 849.0432316454.

The spelling of 612053538 in words is "six hundred twelve million, fifty-three thousand, five hundred thirty-eight".