641524234 has 32 divisors (see below), whose sum is σ = 1084575744. Its totient is φ = 282374400.

The previous prime is 641524229. The next prime is 641524237. The reversal of 641524234 is 432425146.

It is a junction number, because it is equal to n+sod(n) for n = 641524196 and 641524205.

It is not an unprimeable number, because it can be changed into a prime (641524237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227634 + ... + 230434.

It is an arithmetic number, because the mean of its divisors is an integer number (33892992).

Almost surely, 2^641524234 is an apocalyptic number.

641524234 is a deficient number, since it is larger than the sum of its proper divisors (443051510).

641524234 is a wasteful number, since it uses less digits than its factorization.

641524234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222.

The product of its digits is 23040, while the sum is 31.

The square root of 641524234 is about 25328.3286854857. The cubic root of 641524234 is about 862.4574716551.

It can be divided in two parts, 64152 and 4234, that added together give a palindrome (68386).

The spelling of 641524234 in words is "six hundred forty-one million, five hundred twenty-four thousand, two hundred thirty-four".