648183252 has 48 divisors (see below), whose sum is σ = 1601328960. Its totient is φ = 203493888.

The previous prime is 648183241. The next prime is 648183253. The reversal of 648183252 is 252381846.

It is a self number, because there is not a number n which added to its sum of digits gives 648183252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648183253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31228 + ... + 47660.

It is an arithmetic number, because the mean of its divisors is an integer number (33361020).

Almost surely, 2^648183252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648183252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800664480).

648183252 is an abundant number, since it is smaller than the sum of its proper divisors (953145708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648183252 is a wasteful number, since it uses less digits than its factorization.

648183252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16632 (or 16630 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 648183252 is about 25459.4432774953. The cubic root of 648183252 is about 865.4313070635.

The spelling of 648183252 in words is "six hundred forty-eight million, one hundred eighty-three thousand, two hundred fifty-two".