648883235 has 48 divisors (see below), whose sum is σ = 1064200032. Its totient is φ = 373363200.

The previous prime is 648883223. The next prime is 648883243. The reversal of 648883235 is 532388846.

It is a happy number.

It is not a de Polignac number, because 648883235 - 2²⁶ = 581774371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 648883235.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25775 + ... + 44295.

It is an arithmetic number, because the mean of its divisors is an integer number (22170834).

Almost surely, 2^648883235 is an apocalyptic number.

648883235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

648883235 is a deficient number, since it is larger than the sum of its proper divisors (415316797).

648883235 is a wasteful number, since it uses less digits than its factorization.

648883235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564 (or 18557 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 648883235 is about 25473.1865890391. The cubic root of 648883235 is about 865.7427258201.

The spelling of 648883235 in words is "six hundred forty-eight million, eight hundred eighty-three thousand, two hundred thirty-five".