519425089 has 4 divisors (see below), whose sum is σ = 549979524. Its totient is φ = 488870656.

The previous prime is 519425033. The next prime is 519425099. The reversal of 519425089 is 980524915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 415548225 + 103876864 = 20385^2 + 10192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-519425089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (519425099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15277192 + ... + 15277225.

It is an arithmetic number, because the mean of its divisors is an integer number (137494881).

Almost surely, 2^519425089 is an apocalyptic number.

It is an amenable number.

519425089 is a deficient number, since it is larger than the sum of its proper divisors (30554435).

519425089 is a wasteful number, since it uses less digits than its factorization.

519425089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30554434.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 519425089 is about 22790.8992582566. The cubic root of 519425089 is about 803.8486886569.

The spelling of 519425089 in words is "five hundred nineteen million, four hundred twenty-five thousand, eighty-nine".