613012611 has 8 divisors (see below), whose sum is σ = 817496064. Its totient is φ = 408602120.

The previous prime is 613012577. The next prime is 613012663. The reversal of 613012611 is 116210316.

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 613012611 - 2¹⁷ = 612881539 is a prime.

It is a super-2 number, since 2×613012611² = 751568922490074642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (613012111) 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, 5950 + ... + 35516.

It is an arithmetic number, because the mean of its divisors is an integer number (102187008).

Almost surely, 2^613012611 is an apocalyptic number.

613012611 is a deficient number, since it is larger than the sum of its proper divisors (204483453).

613012611 is a wasteful number, since it uses less digits than its factorization.

613012611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36481.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 613012611 is about 24759.0914817164. The cubic root of 613012611 is about 849.4864769020.

Adding to 613012611 its reverse (116210316), we get a palindrome (729222927).

The spelling of 613012611 in words is "six hundred thirteen million, twelve thousand, six hundred eleven".