612322503 has 16 divisors (see below), whose sum is σ = 885141600. Its totient is φ = 374281344.

The previous prime is 612322493. The next prime is 612322517. The reversal of 612322503 is 305223216.

It is not a de Polignac number, because 612322503 - 2⁵ = 612322471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612322553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46876 + ... + 58497.

It is an arithmetic number, because the mean of its divisors is an integer number (55321350).

Almost surely, 2^612322503 is an apocalyptic number.

612322503 is a deficient number, since it is larger than the sum of its proper divisors (272819097).

612322503 is a wasteful number, since it uses less digits than its factorization.

612322503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105538.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 612322503 is about 24745.1511007712. The cubic root of 612322503 is about 849.1675832234.

Adding to 612322503 its reverse (305223216), we get a palindrome (917545719).

The spelling of 612322503 in words is "six hundred twelve million, three hundred twenty-two thousand, five hundred three".