2002251001 has 2 divisors, whose sum is σ = 2002251002. Its totient is φ = 2002251000.

The previous prime is 2002250977. The next prime is 2002251071. The reversal of 2002251001 is 1001522002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1980161001 + 22090000 = 44499^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002251001 - 2⁵ = 2002250969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002251071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001125500 + 1001125501.

It is an arithmetic number, because the mean of its divisors is an integer number (1001125501).

Almost surely, 2^2002251001 is an apocalyptic number.

It is an amenable number.

2002251001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002251001 is an equidigital number, since it uses as much as digits as its factorization.

2002251001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2002251001 is about 44746.5194288897. The cubic root of 2002251001 is about 1260.3935532621.

Adding to 2002251001 its reverse (1001522002), we get a palindrome (3003773003).

The spelling of 2002251001 in words is "two billion, two million, two hundred fifty-one thousand, one".