1520000459 has 2 divisors, whose sum is σ = 1520000460. Its totient is φ = 1520000458.

The previous prime is 1520000429. The next prime is 1520000491. The reversal of 1520000459 is 9540000251.

It is a weak prime.

It is an emirp because it is prime and its reverse (9540000251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1520000459 - 2⁸ = 1520000203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1520000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760000229 + 760000230.

It is an arithmetic number, because the mean of its divisors is an integer number (760000230).

Almost surely, 2^1520000459 is an apocalyptic number.

1520000459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520000459 is an equidigital number, since it uses as much as digits as its factorization.

1520000459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1520000459 is about 38987.1832657862. The cubic root of 1520000459 is about 1149.7795315233.

The spelling of 1520000459 in words is "one billion, five hundred twenty million, four hundred fifty-nine", and thus it is an aban number.