613625505 has 16 divisors (see below), whose sum is σ = 985158720. Its totient is φ = 326147648.

The previous prime is 613625503. The next prime is 613625513. The reversal of 613625505 is 505526316.

It is a cyclic number.

It is not a de Polignac number, because 613625505 - 2¹ = 613625503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613625503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65415 + ... + 74204.

It is an arithmetic number, because the mean of its divisors is an integer number (61572420).

Almost surely, 2^613625505 is an apocalyptic number.

It is an amenable number.

613625505 is a deficient number, since it is larger than the sum of its proper divisors (371533215).

613625505 is a wasteful number, since it uses less digits than its factorization.

613625505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139920.

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

The square root of 613625505 is about 24771.4655400120. The cubic root of 613625505 is about 849.7694899739.

The spelling of 613625505 in words is "six hundred thirteen million, six hundred twenty-five thousand, five hundred five".