613739601 has 6 divisors (see below), whose sum is σ = 886512770. Its totient is φ = 409159728.

The previous prime is 613739597. The next prime is 613739603. The reversal of 613739601 is 106937316.

613739601 is a `hidden beast` number, since 6 + 13 + 7 + 39 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 559275201 + 54464400 = 23649^2 + 7380^2 .

It is not a de Polignac number, because 613739601 - 2² = 613739597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613739603) 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 5 ways as a sum of consecutive naturals, for example, 34096636 + ... + 34096653.

Almost surely, 2^613739601 is an apocalyptic number.

It is an amenable number.

613739601 is a deficient number, since it is larger than the sum of its proper divisors (272773169).

613739601 is a wasteful number, since it uses less digits than its factorization.

613739601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68193295 (or 68193292 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 613739601 is about 24773.7684053113. The cubic root of 613739601 is about 849.8221547183.

The spelling of 613739601 in words is "six hundred thirteen million, seven hundred thirty-nine thousand, six hundred one".