641326103 has 4 divisors (see below), whose sum is σ = 699628488. Its totient is φ = 583023720.

The previous prime is 641326067. The next prime is 641326121. The reversal of 641326103 is 301623146.

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

It is a cyclic number.

It is not a de Polignac number, because 641326103 - 2¹⁰ = 641325079 is a prime.

It is a super-2 number, since 2×641326103² = 822598340778333218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641326183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29151176 + ... + 29151197.

It is an arithmetic number, because the mean of its divisors is an integer number (174907122).

Almost surely, 2^641326103 is an apocalyptic number.

641326103 is a deficient number, since it is larger than the sum of its proper divisors (58302385).

641326103 is a wasteful number, since it uses less digits than its factorization.

641326103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58302384.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 641326103 is about 25324.4171305087. The cubic root of 641326103 is about 862.3686742010.

Adding to 641326103 its reverse (301623146), we get a palindrome (942949249).

The spelling of 641326103 in words is "six hundred forty-one million, three hundred twenty-six thousand, one hundred three".