2001002432501 has 2 divisors, whose sum is σ = 2001002432502. Its totient is φ = 2001002432500.

The previous prime is 2001002432461. The next prime is 2001002432521. The reversal of 2001002432501 is 1052342001002.

It is an a-pointer prime, because the next prime (2001002432521) can be obtained adding 2001002432501 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283974531876 + 717027900625 = 1133126^2 + 846775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001002432501 - 2⁶ = 2001002432437 is a prime.

It is a super-2 number, since 2×2001002432501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001002432521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000501216250 + 1000501216251.

It is an arithmetic number, because the mean of its divisors is an integer number (1000501216251).

Almost surely, 2^{2001002432501} is an apocalyptic number.

It is an amenable number.

2001002432501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001002432501 is an equidigital number, since it uses as much as digits as its factorization.

2001002432501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2001002432501 its reverse (1052342001002), we get a palindrome (3053344433503).

The spelling of 2001002432501 in words is "two trillion, one billion, two million, four hundred thirty-two thousand, five hundred one".