613525065 has 8 divisors (see below), whose sum is σ = 981640128. Its totient is φ = 327213360.

The previous prime is 613525063. The next prime is 613525079. The reversal of 613525065 is 560525316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 613525065 - 2¹ = 613525063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613525063) 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, 20450821 + ... + 20450850.

It is an arithmetic number, because the mean of its divisors is an integer number (122705016).

Almost surely, 2^613525065 is an apocalyptic number.

It is an amenable number.

613525065 is a deficient number, since it is larger than the sum of its proper divisors (368115063).

613525065 is a wasteful number, since it uses less digits than its factorization.

613525065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40901679.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 613525065 is about 24769.4381244307. The cubic root of 613525065 is about 849.7231232001.

The spelling of 613525065 in words is "six hundred thirteen million, five hundred twenty-five thousand, sixty-five".