641452 has 24 divisors (see below), whose sum is σ = 1326080. Its totient is φ = 265680.

The previous prime is 641441. The next prime is 641453. The reversal of 641452 is 254146.

641452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641452² = 822921336608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 1237.

2⁶⁴¹⁴⁵² is an apocalyptic number.

641452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663040).

641452 is an abundant number, since it is smaller than the sum of its proper divisors (684628).

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

641452 is a wasteful number, since it uses less digits than its factorization.

641452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 779 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 641452 is about 800.9069858604. The cubic root of 641452 is about 86.2425100266.

Adding to 641452 its reverse (254146), we get a palindrome (895598).

The spelling of 641452 in words is "six hundred forty-one thousand, four hundred fifty-two".