641324607 has 64 divisors (see below), whose sum is σ = 1092648960. Its totient is φ = 324979200.

The previous prime is 641324597. The next prime is 641324623. The reversal of 641324607 is 706423146.

It is a happy number.

It is not a de Polignac number, because 641324607 - 2⁶ = 641324543 is a prime.

It is a super-2 number, since 2×641324607² = 822594503087408898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641324107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2061982 + ... + 2062292.

It is an arithmetic number, because the mean of its divisors is an integer number (17072640).

Almost surely, 2^641324607 is an apocalyptic number.

641324607 is a deficient number, since it is larger than the sum of its proper divisors (451324353).

641324607 is a wasteful number, since it uses less digits than its factorization.

641324607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 641324607 is about 25324.3875937800. The cubic root of 641324607 is about 862.3680036609.

The spelling of 641324607 in words is "six hundred forty-one million, three hundred twenty-four thousand, six hundred seven".