613203473 has 4 divisors (see below), whose sum is σ = 645477360. Its totient is φ = 580929588.

The previous prime is 613203457. The next prime is 613203509. The reversal of 613203473 is 374302316.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613203473 - 2⁴ = 613203457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613203403) 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 3 ways as a sum of consecutive naturals, for example, 16136915 + ... + 16136952.

It is an arithmetic number, because the mean of its divisors is an integer number (161369340).

Almost surely, 2^613203473 is an apocalyptic number.

It is an amenable number.

613203473 is a deficient number, since it is larger than the sum of its proper divisors (32273887).

613203473 is a wasteful number, since it uses less digits than its factorization.

613203473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32273886.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 613203473 is about 24762.9455638864. The cubic root of 613203473 is about 849.5746305338.

Adding to 613203473 its reverse (374302316), we get a palindrome (987505789).

The spelling of 613203473 in words is "six hundred thirteen million, two hundred three thousand, four hundred seventy-three".