641246352 has 40 divisors (see below), whose sum is σ = 1743742560. Its totient is φ = 202498560.

The previous prime is 641246351. The next prime is 641246407. The reversal of 641246352 is 253642146.

It is a super-2 number, since 2×641246352² = 822393767906615808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641246351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350649 + ... + 352472.

It is an arithmetic number, because the mean of its divisors is an integer number (43593564).

Almost surely, 2^641246352 is an apocalyptic number.

It is an amenable number.

641246352 is an abundant number, since it is smaller than the sum of its proper divisors (1102496208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641246352 is a wasteful number, since it uses less digits than its factorization.

641246352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703151 (or 703145 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 641246352 is about 25322.8424944752. The cubic root of 641246352 is about 862.3329265968.

Adding to 641246352 its reverse (253642146), we get a palindrome (894888498).

The spelling of 641246352 in words is "six hundred forty-one million, two hundred forty-six thousand, three hundred fifty-two".