648692601 has 8 divisors (see below), whose sum is σ = 865057920. Its totient is φ = 432394512.

The previous prime is 648692591. The next prime is 648692617. The reversal of 648692601 is 106296846.

648692601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 648692601 - 2²¹ = 646595449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648692501) 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, 13536 + ... + 38478.

It is an arithmetic number, because the mean of its divisors is an integer number (108132240).

Almost surely, 2^648692601 is an apocalyptic number.

It is an amenable number.

648692601 is a deficient number, since it is larger than the sum of its proper divisors (216365319).

648692601 is a wasteful number, since it uses less digits than its factorization.

648692601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33615.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 648692601 is about 25469.4444580167. Note that the first 4 decimals coincide. The cubic root of 648692601 is about 865.6579359561.

The spelling of 648692601 in words is "six hundred forty-eight million, six hundred ninety-two thousand, six hundred one".