2001002519 has 2 divisors, whose sum is σ = 2001002520. Its totient is φ = 2001002518.

The previous prime is 2001002491. The next prime is 2001002533. The reversal of 2001002519 is 9152001002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001002519 - 2¹² = 2000998423 is a prime.

It is a super-2 number, since 2×2001002519² = 8008022162088690722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001002519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001002569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000501259 + 1000501260.

It is an arithmetic number, because the mean of its divisors is an integer number (1000501260).

Almost surely, 2^2001002519 is an apocalyptic number.

2001002519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001002519 is an equidigital number, since it uses as much as digits as its factorization.

2001002519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2001002519 is about 44732.5666489192. The cubic root of 2001002519 is about 1260.1315305288.

The spelling of 2001002519 in words is "two billion, one million, two thousand, five hundred nineteen".