641324597 has 2 divisors, whose sum is σ = 641324598. Its totient is φ = 641324596.

The previous prime is 641324587. The next prime is 641324623. The reversal of 641324597 is 795423146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637360516 + 3964081 = 25246^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 641324597 - 2⁴ = 641324581 is a prime.

It is a super-2 number, since 2×641324597² = 822594477434424818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641324587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320662298 + 320662299.

It is an arithmetic number, because the mean of its divisors is an integer number (320662299).

Almost surely, 2^641324597 is an apocalyptic number.

It is an amenable number.

641324597 is a deficient number, since it is larger than the sum of its proper divisors (1).

641324597 is an equidigital number, since it uses as much as digits as its factorization.

641324597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 641324597 is about 25324.3873963419. The cubic root of 641324597 is about 862.3679991787.

The spelling of 641324597 in words is "six hundred forty-one million, three hundred twenty-four thousand, five hundred ninety-seven".