612755 has 16 divisors (see below), whose sum is σ = 864864. Its totient is φ = 410880.

The previous prime is 612751. The next prime is 612763. The reversal of 612755 is 557216.

612755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612755 - 2² = 612751 is a prime.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (612751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2⁶¹²⁷⁵⁵ is an apocalyptic number.

612755 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

612755 is a deficient number, since it is larger than the sum of its proper divisors (252109).

612755 is a wasteful number, since it uses less digits than its factorization.

612755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 2100, while the sum is 26.

The square root of 612755 is about 782.7866886962. The cubic root of 612755 is about 84.9367464819.

The spelling of 612755 in words is "six hundred twelve thousand, seven hundred fifty-five".