648314215 has 8 divisors (see below), whose sum is σ = 778141008. Its totient is φ = 518542080.

The previous prime is 648314203. The next prime is 648314221. The reversal of 648314215 is 512413846.

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

It is not a de Polignac number, because 648314215 - 2⁹ = 648313703 is a prime.

It is a super-2 number, since 2×648314215² = 840622642742132450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19960 + ... + 41170.

It is an arithmetic number, because the mean of its divisors is an integer number (97267626).

Almost surely, 2^648314215 is an apocalyptic number.

648314215 is a deficient number, since it is larger than the sum of its proper divisors (129826793).

648314215 is a wasteful number, since it uses less digits than its factorization.

648314215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27329.

The product of its digits is 23040, while the sum is 34.

The square root of 648314215 is about 25462.0151402044. The cubic root of 648314215 is about 865.4895888573.

The spelling of 648314215 in words is "six hundred forty-eight million, three hundred fourteen thousand, two hundred fifteen".