612803 has 4 divisors (see below), whose sum is σ = 620640. Its totient is φ = 604968.

The previous prime is 612797. The next prime is 612809. The reversal of 612803 is 308216.

612803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (612797) and next prime (612809).

It is a cyclic number.

It is not a de Polignac number, because 612803 - 2¹⁴ = 596419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (155160).

2⁶¹²⁸⁰³ is an apocalyptic number.

612803 is a deficient number, since it is larger than the sum of its proper divisors (7837).

612803 is an equidigital number, since it uses as much as digits as its factorization.

612803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 612803 is about 782.8173477894. The cubic root of 612803 is about 84.9389642565.

The spelling of 612803 in words is "six hundred twelve thousand, eight hundred three".