520026019 has 2 divisors, whose sum is σ = 520026020. Its totient is φ = 520026018.

The previous prime is 520026007. The next prime is 520026049. The reversal of 520026019 is 910620025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520026019 - 2¹¹ = 520023971 is a prime.

It is a super-2 number, since 2×520026019² = 540854120873976722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520025984 and 520026002.

It is not a weakly prime, because it can be changed into another prime (520026049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260013009 + 260013010.

It is an arithmetic number, because the mean of its divisors is an integer number (260013010).

Almost surely, 2^520026019 is an apocalyptic number.

520026019 is a deficient number, since it is larger than the sum of its proper divisors (1).

520026019 is an equidigital number, since it uses as much as digits as its factorization.

520026019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 520026019 is about 22804.0789991615. The cubic root of 520026019 is about 804.1585637074.

The spelling of 520026019 in words is "five hundred twenty million, twenty-six thousand, nineteen".