641524412 has 6 divisors (see below), whose sum is σ = 1122667728. Its totient is φ = 320762204.

The previous prime is 641524409. The next prime is 641524421. The reversal of 641524412 is 214425146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80190548 + ... + 80190555.

It is an arithmetic number, because the mean of its divisors is an integer number (187111288).

Almost surely, 2^641524412 is an apocalyptic number.

It is an amenable number.

641524412 is a deficient number, since it is larger than the sum of its proper divisors (481143316).

641524412 is a wasteful number, since it uses less digits than its factorization.

641524412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160381107 (or 160381105 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 641524412 is about 25328.3321993376. The cubic root of 641524412 is about 862.4575514221.

Adding to 641524412 its reverse (214425146), we get a palindrome (855949558).

The spelling of 641524412 in words is "six hundred forty-one million, five hundred twenty-four thousand, four hundred twelve".