613850081 has 24 divisors (see below), whose sum is σ = 713085120. Its totient is φ = 526533696.

The previous prime is 613850071. The next prime is 613850087. The reversal of 613850081 is 180058316.

613850081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 613850081 - 2¹⁸ = 613587937 is a prime.

It is a super-2 number, since 2×613850081² = 753623843887413122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613850087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168380 + ... + 171986.

It is an arithmetic number, because the mean of its divisors is an integer number (29711880).

Almost surely, 2^613850081 is an apocalyptic number.

It is an amenable number.

613850081 is a deficient number, since it is larger than the sum of its proper divisors (99235039).

613850081 is a wasteful number, since it uses less digits than its factorization.

613850081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3692 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 613850081 is about 24775.9980828220. The cubic root of 613850081 is about 849.8731441598.

The spelling of 613850081 in words is "six hundred thirteen million, eight hundred fifty thousand, eighty-one".