535780165 has 8 divisors (see below), whose sum is σ = 660313080. Its totient is φ = 417039552.

The previous prime is 535780153. The next prime is 535780199. The reversal of 535780165 is 561087535.

It can be written as a sum of positive squares in 4 ways, for example, as 188293284 + 347486881 = 13722^2 + 18641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535780165 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, 1447870 + ... + 1448239.

It is an arithmetic number, because the mean of its divisors is an integer number (82539135).

Almost surely, 2^535780165 is an apocalyptic number.

It is an amenable number.

535780165 is a deficient number, since it is larger than the sum of its proper divisors (124532915).

535780165 is a wasteful number, since it uses less digits than its factorization.

535780165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896151.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 535780165 is about 23146.9256057905. The cubic root of 535780165 is about 812.1985513675.

The spelling of 535780165 in words is "five hundred thirty-five million, seven hundred eighty thousand, one hundred sixty-five".