613652765 has 16 divisors (see below), whose sum is σ = 838256256. Its totient is φ = 426888000.

The previous prime is 613652717. The next prime is 613652773. The reversal of 613652765 is 567256316.

It is not a de Polignac number, because 613652765 - 2⁸ = 613652509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241286 + ... + 243815.

It is an arithmetic number, because the mean of its divisors is an integer number (52391016).

Almost surely, 2^613652765 is an apocalyptic number.

It is an amenable number.

613652765 is a deficient number, since it is larger than the sum of its proper divisors (224603491).

613652765 is a wasteful number, since it uses less digits than its factorization.

613652765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485140.

The product of its digits is 226800, while the sum is 41.

The square root of 613652765 is about 24772.0157637605. The cubic root of 613652765 is about 849.7820733129.

The spelling of 613652765 in words is "six hundred thirteen million, six hundred fifty-two thousand, seven hundred sixty-five".