641352 has 16 divisors (see below), whose sum is σ = 1603440. Its totient is φ = 213776.

The previous prime is 641327. The next prime is 641371. The reversal of 641352 is 253146.

It is a happy number.

It is a super-2 number, since 2×641352² = 822664775808, which contains 22 as substring.

It is an unprimeable number.

641352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13338 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (100215).

2⁶⁴¹³⁵² is an apocalyptic number.

It is an amenable number.

641352 is an abundant number, since it is smaller than the sum of its proper divisors (962088).

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

641352 is a wasteful number, since it uses less digits than its factorization.

641352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26732 (or 26728 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 641352 is about 800.8445542051. The cubic root of 641352 is about 86.2380281640.

Adding to 641352 its reverse (253146), we get a palindrome (894498).

The spelling of 641352 in words is "six hundred forty-one thousand, three hundred fifty-two".