612775 has 12 divisors (see below), whose sum is σ = 769792. Its totient is φ = 483840.

The previous prime is 612763. The next prime is 612791. The reversal of 612775 is 577216.

It is not a de Polignac number, because 612775 - 2⁹ = 612263 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3079 + ... + 3271.

2⁶¹²⁷⁷⁵ is an apocalyptic number.

612775 is a deficient number, since it is larger than the sum of its proper divisors (157017).

612775 is a wasteful number, since it uses less digits than its factorization.

612775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 325 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 612775 is about 782.7994634643. The cubic root of 612775 is about 84.9376705688.

The spelling of 612775 in words is "six hundred twelve thousand, seven hundred seventy-five".