6432425501 has 4 divisors (see below), whose sum is σ = 6457454652. Its totient is φ = 6407396352.

The previous prime is 6432425497. The next prime is 6432425551. The reversal of 6432425501 is 1055242346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3083025625 + 3349399876 = 55525^2 + 57874^2 .

It is a cyclic number.

It is not a de Polignac number, because 6432425501 - 2² = 6432425497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432425551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12514190 + ... + 12514703.

It is an arithmetic number, because the mean of its divisors is an integer number (1614363663).

Almost surely, 2^6432425501 is an apocalyptic number.

It is an amenable number.

6432425501 is a deficient number, since it is larger than the sum of its proper divisors (25029151).

6432425501 is a wasteful number, since it uses less digits than its factorization.

6432425501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25029150.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 6432425501 is about 80202.4033368078. The cubic root of 6432425501 is about 1859.7657913178.

Adding to 6432425501 its reverse (1055242346), we get a palindrome (7487667847).

The spelling of 6432425501 in words is "six billion, four hundred thirty-two million, four hundred twenty-five thousand, five hundred one".