2001552019 has 2 divisors, whose sum is σ = 2001552020. Its totient is φ = 2001552018.

The previous prime is 2001551999. The next prime is 2001552079. The reversal of 2001552019 is 9102551002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001552019 - 2⁵ = 2001551987 is a prime.

It is a super-2 number, since 2×2001552019² = 8012420969525952722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001551984 and 2001552002.

It is not a weakly prime, because it can be changed into another prime (2001552079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000776009 + 1000776010.

It is an arithmetic number, because the mean of its divisors is an integer number (1000776010).

Almost surely, 2^2001552019 is an apocalyptic number.

2001552019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001552019 is an equidigital number, since it uses as much as digits as its factorization.

2001552019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 2001552019 is about 44738.7082848846. The cubic root of 2001552019 is about 1260.2468691978.

The spelling of 2001552019 in words is "two billion, one million, five hundred fifty-two thousand, nineteen".