641017337 has 12 divisors (see below), whose sum is σ = 676307940. Its totient is φ = 607467168.

The previous prime is 641017327. The next prime is 641017369. The reversal of 641017337 is 733710146.

It can be written as a sum of positive squares in 2 ways, for example, as 242456041 + 398561296 = 15571^2 + 19964^2 .

It is not a de Polignac number, because 641017337 - 2⁸ = 641017081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641017327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52103 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (56358995).

Almost surely, 2^641017337 is an apocalyptic number.

It is an amenable number.

641017337 is a deficient number, since it is larger than the sum of its proper divisors (35290603).

641017337 is a wasteful number, since it uses less digits than its factorization.

641017337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272 (or 11249 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 641017337 is about 25318.3201851940. The cubic root of 641017337 is about 862.2302563882.

The spelling of 641017337 in words is "six hundred forty-one million, seventeen thousand, three hundred thirty-seven".