519427 has 2 divisors, whose sum is σ = 519428. Its totient is φ = 519426.

The previous prime is 519413. The next prime is 519433. The reversal of 519427 is 724915.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-519427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 519395 and 519404.

It is not a weakly prime, because it can be changed into another prime (519457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259713 + 259714.

It is an arithmetic number, because the mean of its divisors is an integer number (259714).

2⁵¹⁹⁴²⁷ is an apocalyptic number.

519427 is a deficient number, since it is larger than the sum of its proper divisors (1).

519427 is an equidigital number, since it uses as much as digits as its factorization.

519427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 519427 is about 720.7128415673. The cubic root of 519427 is about 80.3849674460.

It can be divided in two parts, 519 and 427, that added together give a triangular number (946 = T₄₃).

The spelling of 519427 in words is "five hundred nineteen thousand, four hundred twenty-seven".