612541603 has 8 divisors (see below), whose sum is σ = 649094688. Its totient is φ = 576046464.

The previous prime is 612541597. The next prime is 612541609. The reversal of 612541603 is 306145216.

It is an interprime number because it is at equal distance from previous prime (612541597) and next prime (612541609).

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 612541603 - 2⁹ = 612541091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612541609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8325 + ... + 35977.

It is an arithmetic number, because the mean of its divisors is an integer number (81136836).

Almost surely, 2^612541603 is an apocalyptic number.

612541603 is a deficient number, since it is larger than the sum of its proper divisors (36553085).

612541603 is a wasteful number, since it uses less digits than its factorization.

612541603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28973.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 612541603 is about 24749.5778347834. The cubic root of 612541603 is about 849.2688536215.

Adding to 612541603 its reverse (306145216), we get a palindrome (918686819).

The spelling of 612541603 in words is "six hundred twelve million, five hundred forty-one thousand, six hundred three".