641430003 has 8 divisors (see below), whose sum is σ = 892424448. Its totient is φ = 409027784.

The previous prime is 641430001. The next prime is 641430007. The reversal of 641430003 is 300034146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641430003 - 2¹ = 641430001 is a prime.

It is a super-2 number, since 2×641430003² = 822864897497160018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641430001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647975 + ... + 4648112.

It is an arithmetic number, because the mean of its divisors is an integer number (111553056).

Almost surely, 2^641430003 is an apocalyptic number.

641430003 is a deficient number, since it is larger than the sum of its proper divisors (250994445).

641430003 is a wasteful number, since it uses less digits than its factorization.

641430003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296113.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 641430003 is about 25326.4684273193. The cubic root of 641430003 is about 862.4152419126.

Adding to 641430003 its reverse (300034146), we get a palindrome (941464149).

The spelling of 641430003 in words is "six hundred forty-one million, four hundred thirty thousand, three".