648025330 has 16 divisors (see below), whose sum is σ = 1166944320. Its totient is φ = 259099312.

The previous prime is 648025327. The next prime is 648025349. The reversal of 648025330 is 33520846.

It is a junction number, because it is equal to n+sod(n) for n = 648025292 and 648025301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13227 + ... + 38353.

It is an arithmetic number, because the mean of its divisors is an integer number (72934020).

Almost surely, 2^648025330 is an apocalyptic number.

648025330 is a deficient number, since it is larger than the sum of its proper divisors (518918990).

648025330 is a wasteful number, since it uses less digits than its factorization.

648025330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27713.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 648025330 is about 25456.3416460418. The cubic root of 648025330 is about 865.3610174022.

The spelling of 648025330 in words is "six hundred forty-eight million, twenty-five thousand, three hundred thirty".