519096421 has 8 divisors (see below), whose sum is σ = 534373784. Its totient is φ = 503884800.

The previous prime is 519096353. The next prime is 519096437. The reversal of 519096421 is 124690915.

519096421 = 16110² + 16111².

It can be written as a sum of positive squares in 4 ways, for example, as 259564321 + 259532100 = 16111^2 + 16110^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(519096421) divides (519096421-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 519096421 - 2⁷ = 519096293 is a prime.

It is a super-2 number, since 2×519096421² = 538922188590018482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519096451) 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, 180 + ... + 32221.

It is an arithmetic number, because the mean of its divisors is an integer number (66796723).

Almost surely, 2^519096421 is an apocalyptic number.

519096421 is the 16111-st centered square number.

It is an amenable number.

519096421 is a deficient number, since it is larger than the sum of its proper divisors (15277363).

519096421 is a wasteful number, since it uses less digits than its factorization.

519096421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32871.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 519096421 is about 22783.6876075845. The cubic root of 519096421 is about 803.6791068825.

The spelling of 519096421 in words is "five hundred nineteen million, ninety-six thousand, four hundred twenty-one".