641264035 has 16 divisors (see below), whose sum is σ = 814968576. Its totient is φ = 483376608.

The previous prime is 641264033. The next prime is 641264053. The reversal of 641264035 is 530462146.

641264035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 641264035 - 2¹ = 641264033 is a prime.

It is a super-2 number, since 2×641264035² = 822439125168962450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641263988 and 641264006.

It is not an unprimeable number, because it can be changed into a prime (641264033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33909 + ... + 49318.

It is an arithmetic number, because the mean of its divisors is an integer number (50935536).

Almost surely, 2^641264035 is an apocalyptic number.

641264035 is a deficient number, since it is larger than the sum of its proper divisors (173704541).

641264035 is a wasteful number, since it uses less digits than its factorization.

641264035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83322.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 641264035 is about 25323.1916432349. The cubic root of 641264035 is about 862.3408530840.

The spelling of 641264035 in words is "six hundred forty-one million, two hundred sixty-four thousand, thirty-five".