641314171 has 8 divisors (see below), whose sum is σ = 679491504. Its totient is φ = 603187200.

The previous prime is 641314147. The next prime is 641314181. The reversal of 641314171 is 171413146.

It is a happy number.

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

It is not a de Polignac number, because 641314171 - 2⁵ = 641314139 is a prime.

It is a super-2 number, since 2×641314171² = 822567731850834482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641314111) 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, 15436 + ... + 38998.

It is an arithmetic number, because the mean of its divisors is an integer number (84936438).

Almost surely, 2^641314171 is an apocalyptic number.

641314171 is a deficient number, since it is larger than the sum of its proper divisors (38177333).

641314171 is a wasteful number, since it uses less digits than its factorization.

641314171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25181.

The product of its digits is 2016, while the sum is 28.

The square root of 641314171 is about 25324.1815464982. The cubic root of 641314171 is about 862.3633259875.

The spelling of 641314171 in words is "six hundred forty-one million, three hundred fourteen thousand, one hundred seventy-one".