61607613 has 8 divisors (see below), whose sum is σ = 82561248. Its totient is φ = 40862864.

The previous prime is 61607603. The next prime is 61607617. The reversal of 61607613 is 31670616.

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 61607613 - 2¹⁶ = 61542077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61607617) 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, 51531 + ... + 52712.

It is an arithmetic number, because the mean of its divisors is an integer number (10320156).

Almost surely, 2^61607613 is an apocalyptic number.

It is an amenable number.

61607613 is a deficient number, since it is larger than the sum of its proper divisors (20953635).

61607613 is a wasteful number, since it uses less digits than its factorization.

61607613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104443.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 61607613 is about 7849.0517261641. The cubic root of 61607613 is about 394.9524335181.

The spelling of 61607613 in words is "sixty-one million, six hundred seven thousand, six hundred thirteen".