519213427 has 4 divisors (see below), whose sum is σ = 524354256. Its totient is φ = 514072600.

The previous prime is 519213413. The next prime is 519213467. The reversal of 519213427 is 724312915.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 519213427 - 2¹¹ = 519211379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 519213392 and 519213401.

It is not an unprimeable number, because it can be changed into a prime (519213467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570263 + ... + 2570464.

It is an arithmetic number, because the mean of its divisors is an integer number (131088564).

Almost surely, 2^519213427 is an apocalyptic number.

519213427 is a deficient number, since it is larger than the sum of its proper divisors (5140829).

519213427 is a wasteful number, since it uses less digits than its factorization.

519213427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140828.

The product of its digits is 15120, while the sum is 34.

The square root of 519213427 is about 22786.2552210757. The cubic root of 519213427 is about 803.7394862965.

The spelling of 519213427 in words is "five hundred nineteen million, two hundred thirteen thousand, four hundred twenty-seven".