648245627 has 6 divisors (see below), whose sum is σ = 649670868. Its totient is φ = 646823052.

The previous prime is 648245623. The next prime is 648245677. The reversal of 648245627 is 726542846.

It is not a de Polignac number, because 648245627 - 2² = 648245623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648245623) 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 5 ways as a sum of consecutive naturals, for example, 545528 + ... + 546714.

It is an arithmetic number, because the mean of its divisors is an integer number (108278478).

Almost surely, 2^648245627 is an apocalyptic number.

648245627 is a deficient number, since it is larger than the sum of its proper divisors (1425241).

648245627 is an frugal number, since it uses more digits than its factorization.

648245627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 1926 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 648245627 is about 25460.6682355354. The cubic root of 648245627 is about 865.4590664696.

The spelling of 648245627 in words is "six hundred forty-eight million, two hundred forty-five thousand, six hundred twenty-seven".