613231903 has 8 divisors (see below), whose sum is σ = 624795696. Its totient is φ = 601776000.

The previous prime is 613231877. The next prime is 613231907. The reversal of 613231903 is 309132316.

613231903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 613231903 - 2²⁵ = 579677471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613231907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15453 + ... + 38278.

It is an arithmetic number, because the mean of its divisors is an integer number (78099462).

Almost surely, 2^613231903 is an apocalyptic number.

613231903 is a deficient number, since it is larger than the sum of its proper divisors (11563793).

613231903 is a wasteful number, since it uses less digits than its factorization.

613231903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53945.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 613231903 is about 24763.5196004122. The cubic root of 613231903 is about 849.5877599623.

The spelling of 613231903 in words is "six hundred thirteen million, two hundred thirty-one thousand, nine hundred three".