612903403 has 16 divisors (see below), whose sum is σ = 712096000. Its totient is φ = 516691872.

The previous prime is 612903391. The next prime is 612903407. The reversal of 612903403 is 304309216.

It is a cyclic number.

It is not a de Polignac number, because 612903403 - 2¹⁷ = 612772331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612903407) 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 15 ways as a sum of consecutive naturals, for example, 103168 + ... + 108946.

It is an arithmetic number, because the mean of its divisors is an integer number (44506000).

Almost surely, 2^612903403 is an apocalyptic number.

612903403 is a deficient number, since it is larger than the sum of its proper divisors (99192597).

612903403 is a wasteful number, since it uses less digits than its factorization.

612903403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 612903403 is about 24756.8859713818. The cubic root of 612903403 is about 849.4360286584.

The spelling of 612903403 in words is "six hundred twelve million, nine hundred three thousand, four hundred three".