607661317 has 4 divisors (see below), whose sum is σ = 607717260. Its totient is φ = 607605376.

The previous prime is 607661303. The next prime is 607661339. The reversal of 607661317 is 713166706.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 91508356 + 516152961 = 9566^2 + 22719^2 .

It is a cyclic number.

It is not a de Polignac number, because 607661317 - 2⁷ = 607661189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607601317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842 + ... + 35347.

It is an arithmetic number, because the mean of its divisors is an integer number (151929315).

Almost surely, 2^607661317 is an apocalyptic number.

It is an amenable number.

607661317 is a deficient number, since it is larger than the sum of its proper divisors (55943).

607661317 is a wasteful number, since it uses less digits than its factorization.

607661317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55942.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 607661317 is about 24650.7873505087. The cubic root of 607661317 is about 847.0073848444.

The spelling of 607661317 in words is "six hundred seven million, six hundred sixty-one thousand, three hundred seventeen".