2003001061 has 2 divisors, whose sum is σ = 2003001062. Its totient is φ = 2003001060.

The previous prime is 2003001041. The next prime is 2003001073. The reversal of 2003001061 is 1601003002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1690772161 + 312228900 = 41119^2 + 17670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003001061 - 2¹³ = 2002992869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001500530 + 1001500531.

It is an arithmetic number, because the mean of its divisors is an integer number (1001500531).

Almost surely, 2^2003001061 is an apocalyptic number.

It is an amenable number.

2003001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003001061 is an equidigital number, since it uses as much as digits as its factorization.

2003001061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2003001061 is about 44754.8998546528. The cubic root of 2003001061 is about 1260.5509182753.

Adding to 2003001061 its reverse (1601003002), we get a palindrome (3604004063).

The spelling of 2003001061 in words is "two billion, three million, one thousand, sixty-one".