612605263 has 8 divisors (see below), whose sum is σ = 637129280. Its totient is φ = 588500640.

The previous prime is 612605243. The next prime is 612605293. The reversal of 612605263 is 362506216.

612605263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 612605263 - 2¹³ = 612597071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612605243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101868 + ... + 107713.

It is an arithmetic number, because the mean of its divisors is an integer number (79641160).

Almost surely, 2^612605263 is an apocalyptic number.

612605263 is a deficient number, since it is larger than the sum of its proper divisors (24524017).

612605263 is a wasteful number, since it uses less digits than its factorization.

612605263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209697.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 612605263 is about 24750.8638839132. The cubic root of 612605263 is about 849.2982734367.

The spelling of 612605263 in words is "six hundred twelve million, six hundred five thousand, two hundred sixty-three".