641625058 has 8 divisors (see below), whose sum is σ = 995625180. Its totient is φ = 309750000.

The previous prime is 641625053. The next prime is 641625077. The reversal of 641625058 is 850526146.

It can be written as a sum of positive squares in 2 ways, for example, as 544148929 + 97476129 = 23327^2 + 9873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (641625053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531193 + ... + 5531308.

Almost surely, 2^641625058 is an apocalyptic number.

641625058 is a deficient number, since it is larger than the sum of its proper divisors (354000122).

641625058 is a wasteful number, since it uses less digits than its factorization.

641625058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062532.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 641625058 is about 25330.3189478538. The cubic root of 641625058 is about 862.5026514796.

The spelling of 641625058 in words is "six hundred forty-one million, six hundred twenty-five thousand, fifty-eight".