2001308951 has 2 divisors, whose sum is σ = 2001308952. Its totient is φ = 2001308950.

The previous prime is 2001308941. The next prime is 2001308977. The reversal of 2001308951 is 1598031002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001308951 - 2²⁶ = 1934200087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001308941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000654475 + 1000654476.

It is an arithmetic number, because the mean of its divisors is an integer number (1000654476).

Almost surely, 2^2001308951 is an apocalyptic number.

2001308951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001308951 is an equidigital number, since it uses as much as digits as its factorization.

2001308951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2001308951 is about 44735.9916733719. The cubic root of 2001308951 is about 1260.1958524394.

Adding to 2001308951 its reverse (1598031002), we get a palindrome (3599339953).

The spelling of 2001308951 in words is "two billion, one million, three hundred eight thousand, nine hundred fifty-one".