641353535 has 16 divisors (see below), whose sum is σ = 784192320. Its totient is φ = 503462400.

The previous prime is 641353511. The next prime is 641353567. The reversal of 641353535 is 535353146.

It is not a de Polignac number, because 641353535 - 2¹⁰ = 641352511 is a prime.

It is a super-2 number, since 2×641353535² = 822668713713992450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641353495 and 641353504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51446 + ... + 62684.

It is an arithmetic number, because the mean of its divisors is an integer number (49012020).

Almost surely, 2^641353535 is an apocalyptic number.

641353535 is a deficient number, since it is larger than the sum of its proper divisors (142838785).

641353535 is a wasteful number, since it uses less digits than its factorization.

641353535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11458.

The product of its digits is 81000, while the sum is 35.

The square root of 641353535 is about 25324.9587363928. The cubic root of 641353535 is about 862.3809696412.

The spelling of 641353535 in words is "six hundred forty-one million, three hundred fifty-three thousand, five hundred thirty-five".