380613565 has 8 divisors (see below), whose sum is σ = 456861240. Its totient is φ = 304407552.

The previous prime is 380613523. The next prime is 380613577. The reversal of 380613565 is 565316083.

It can be written as a sum of positive squares in 4 ways, for example, as 597529 + 380016036 = 773^2 + 19494^2 .

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 380613565 - 2⁷ = 380613437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15597 + ... + 31693.

It is an arithmetic number, because the mean of its divisors is an integer number (57107655).

Almost surely, 2^380613565 is an apocalyptic number.

It is an amenable number.

380613565 is a deficient number, since it is larger than the sum of its proper divisors (76247675).

380613565 is a wasteful number, since it uses less digits than its factorization.

380613565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 380613565 is about 19509.3199522690. The cubic root of 380613565 is about 724.7052721968.

It can be divided in two parts, 3806 and 13565, that added together give a palindrome (17371).

The spelling of 380613565 in words is "three hundred eighty million, six hundred thirteen thousand, five hundred sixty-five".