2001432371 has 2 divisors, whose sum is σ = 2001432372. Its totient is φ = 2001432370.

The previous prime is 2001432353. The next prime is 2001432403. The reversal of 2001432371 is 1732341002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001432371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001432341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000716185 + 1000716186.

It is an arithmetic number, because the mean of its divisors is an integer number (1000716186).

Almost surely, 2^2001432371 is an apocalyptic number.

2001432371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001432371 is an equidigital number, since it uses as much as digits as its factorization.

2001432371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2001432371 is about 44737.3710783278. The cubic root of 2001432371 is about 1260.2217571813.

Adding to 2001432371 its reverse (1732341002), we get a palindrome (3733773373).

The spelling of 2001432371 in words is "two billion, one million, four hundred thirty-two thousand, three hundred seventy-one".