519442 has 16 divisors (see below), whose sum is σ = 971712. Its totient is φ = 202320.

The previous prime is 519433. The next prime is 519457. The reversal of 519442 is 244915.

It is a nialpdrome in base 14.

It is an unprimeable number.

519442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 1533 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (60732).

2⁵¹⁹⁴⁴² is an apocalyptic number.

519442 is a deficient number, since it is larger than the sum of its proper divisors (452270).

519442 is a wasteful number, since it uses less digits than its factorization.

519442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393.

The product of its digits is 1440, while the sum is 25.

The square root of 519442 is about 720.7232478559. The cubic root of 519442 is about 80.3857412236.

It can be divided in two parts, 519 and 442, that added together give a square (961 = 31²).

The spelling of 519442 in words is "five hundred nineteen thousand, four hundred forty-two".