613309485 has 8 divisors (see below), whose sum is σ = 981295200. Its totient is φ = 327098384.

The previous prime is 613309457. The next prime is 613309507. The reversal of 613309485 is 584903316.

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 613309485 - 2⁵ = 613309453 is a prime.

It is a super-3 number, since 3×613309485³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20443635 + ... + 20443664.

It is an arithmetic number, because the mean of its divisors is an integer number (122661900).

Almost surely, 2^613309485 is an apocalyptic number.

It is an amenable number.

613309485 is a deficient number, since it is larger than the sum of its proper divisors (367985715).

613309485 is a wasteful number, since it uses less digits than its factorization.

613309485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40887307.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 613309485 is about 24765.0860083304. The cubic root of 613309485 is about 849.6235865057.

The spelling of 613309485 in words is "six hundred thirteen million, three hundred nine thousand, four hundred eighty-five".