613203256 has 16 divisors (see below), whose sum is σ = 1154570400. Its totient is φ = 305317824.

The previous prime is 613203247. The next prime is 613203259. The reversal of 613203256 is 652302316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613203259) 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, 158445 + ... + 162268.

It is an arithmetic number, because the mean of its divisors is an integer number (72160650).

Almost surely, 2^613203256 is an apocalyptic number.

It is an amenable number.

613203256 is a deficient number, since it is larger than the sum of its proper divisors (541367144).

613203256 is a wasteful number, since it uses less digits than its factorization.

613203256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320958 (or 320954 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 613203256 is about 24762.9411823394. The cubic root of 613203256 is about 849.5745303182.

The spelling of 613203256 in words is "six hundred thirteen million, two hundred three thousand, two hundred fifty-six".