641334532 has 6 divisors (see below), whose sum is σ = 1122335438. Its totient is φ = 320667264.

The previous prime is 641334517. The next prime is 641334563. The reversal of 641334532 is 235433146.

641334532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 542610436 + 98724096 = 23294^2 + 9936^2 .

It is a super-2 number, since 2×641334532² = 822619963871318048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641334494 and 641334503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80166813 + ... + 80166820.

Almost surely, 2^641334532 is an apocalyptic number.

It is an amenable number.

641334532 is a deficient number, since it is larger than the sum of its proper divisors (481000906).

641334532 is a wasteful number, since it uses less digits than its factorization.

641334532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160333637 (or 160333635 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 641334532 is about 25324.5835503765. The cubic root of 641334532 is about 862.3724522445.

Adding to 641334532 its reverse (235433146), we get a palindrome (876767678).

The spelling of 641334532 in words is "six hundred forty-one million, three hundred thirty-four thousand, five hundred thirty-two".