248005530 has 32 divisors (see below), whose sum is σ = 661348800. Its totient is φ = 66134736.

The previous prime is 248005529. The next prime is 248005543. The reversal of 248005530 is 35500842.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 248005494 and 248005503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459000 + ... + 459539.

It is an arithmetic number, because the mean of its divisors is an integer number (20667150).

Almost surely, 2^248005530 is an apocalyptic number.

248005530 is an abundant number, since it is smaller than the sum of its proper divisors (413343270).

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

248005530 is a wasteful number, since it uses less digits than its factorization.

248005530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918555 (or 918549 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 248005530 is about 15748.1913247204. The cubic root of 248005530 is about 628.2808002917.

The spelling of 248005530 in words is "two hundred forty-eight million, five thousand, five hundred thirty".