648302955 has 32 divisors (see below), whose sum is σ = 1084755456. Its totient is φ = 330004224.

The previous prime is 648302953. The next prime is 648302989. The reversal of 648302955 is 559203846.

It is not a de Polignac number, because 648302955 - 2¹ = 648302953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648302953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178639 + ... + 182231.

It is an arithmetic number, because the mean of its divisors is an integer number (33898608).

Almost surely, 2^648302955 is an apocalyptic number.

648302955 is a deficient number, since it is larger than the sum of its proper divisors (436452501).

648302955 is a wasteful number, since it uses less digits than its factorization.

648302955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 648302955 is about 25461.7940255592. The cubic root of 648302955 is about 865.4845781855.

The spelling of 648302955 in words is "six hundred forty-eight million, three hundred two thousand, nine hundred fifty-five".