1520230519 has 2 divisors, whose sum is σ = 1520230520. Its totient is φ = 1520230518.

The previous prime is 1520230493. The next prime is 1520230541. The reversal of 1520230519 is 9150320251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1520230519 - 2²¹ = 1518133367 is a prime.

It is a super-2 number, since 2×1520230519² = 4622201661798018722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520230319) 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 as a sum of consecutive naturals, namely, 760115259 + 760115260.

It is an arithmetic number, because the mean of its divisors is an integer number (760115260).

Almost surely, 2^1520230519 is an apocalyptic number.

1520230519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520230519 is an equidigital number, since it uses as much as digits as its factorization.

1520230519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1520230519 is about 38990.1336109534. The cubic root of 1520230519 is about 1149.8375369740.

The spelling of 1520230519 in words is "one billion, five hundred twenty million, two hundred thirty thousand, five hundred nineteen".