2002825991 has 2 divisors, whose sum is σ = 2002825992. Its totient is φ = 2002825990.

The previous prime is 2002825987. The next prime is 2002826009. The reversal of 2002825991 is 1995282002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002825991 - 2² = 2002825987 is a prime.

It is a super-2 number, since 2×2002825991² = 8022623900450264162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002825961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001412995 + 1001412996.

It is an arithmetic number, because the mean of its divisors is an integer number (1001412996).

Almost surely, 2^2002825991 is an apocalyptic number.

2002825991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002825991 is an equidigital number, since it uses as much as digits as its factorization.

2002825991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2002825991 is about 44752.9439366842. The cubic root of 2002825991 is about 1260.5141915383.

The spelling of 2002825991 in words is "two billion, two million, eight hundred twenty-five thousand, nine hundred ninety-one".