613398037 has 4 divisors (see below), whose sum is σ = 701026336. Its totient is φ = 525769740.

The previous prime is 613397999. The next prime is 613398047. The reversal of 613398037 is 730893316.

613398037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-613398037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613398047) 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, 43814139 + ... + 43814152.

It is an arithmetic number, because the mean of its divisors is an integer number (175256584).

Almost surely, 2^613398037 is an apocalyptic number.

It is an amenable number.

613398037 is a deficient number, since it is larger than the sum of its proper divisors (87628299).

613398037 is an equidigital number, since it uses as much as digits as its factorization.

613398037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87628298.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 613398037 is about 24766.8737833421. The cubic root of 613398037 is about 849.6644751865.

The spelling of 613398037 in words is "six hundred thirteen million, three hundred ninety-eight thousand, thirty-seven".