519165049 has 8 divisors (see below), whose sum is σ = 564866120. Its totient is φ = 474287616.

The previous prime is 519165043. The next prime is 519165067. The reversal of 519165049 is 940561915.

It can be written as a sum of positive squares in 4 ways, for example, as 783225 + 518381824 = 885^2 + 22768^2 .

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 519165049 - 2¹³ = 519156857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (519165043) 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, 204594 + ... + 207115.

It is an arithmetic number, because the mean of its divisors is an integer number (70608265).

Almost surely, 2^519165049 is an apocalyptic number.

It is an amenable number.

519165049 is a deficient number, since it is larger than the sum of its proper divisors (45701071).

519165049 is a wasteful number, since it uses less digits than its factorization.

519165049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411819.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 519165049 is about 22785.1936353414. The cubic root of 519165049 is about 803.7145225632.

It can be divided in two parts, 51916 and 5049, that added together give a palindrome (56965).

The spelling of 519165049 in words is "five hundred nineteen million, one hundred sixty-five thousand, forty-nine".