648715333 has 8 divisors (see below), whose sum is σ = 741543552. Its totient is φ = 555925776.

The previous prime is 648715279. The next prime is 648715351. The reversal of 648715333 is 333517846.

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

It is not a de Polignac number, because 648715333 - 2²⁵ = 615160901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648715933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56616 + ... + 67102.

It is an arithmetic number, because the mean of its divisors is an integer number (92692944).

Almost surely, 2^648715333 is an apocalyptic number.

It is an amenable number.

648715333 is a deficient number, since it is larger than the sum of its proper divisors (92828219).

648715333 is a wasteful number, since it uses less digits than its factorization.

648715333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19331.

The product of its digits is 181440, while the sum is 40.

The square root of 648715333 is about 25469.8907143317. The cubic root of 648715333 is about 865.6680475284.

The spelling of 648715333 in words is "six hundred forty-eight million, seven hundred fifteen thousand, three hundred thirty-three".