253305830530 has 16 divisors (see below), whose sum is σ = 455965251840. Its totient is φ = 101319052912.

The previous prime is 253305830509. The next prime is 253305830537. The reversal of 253305830530 is 35038503352.

253305830530 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253305830530.

It is not an unprimeable number, because it can be changed into a prime (253305830537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72244 + ... + 715423.

It is an arithmetic number, because the mean of its divisors is an integer number (28497828240).

Almost surely, 2^253305830530 is an apocalyptic number.

253305830530 is a deficient number, since it is larger than the sum of its proper divisors (202659421310).

253305830530 is a wasteful number, since it uses less digits than its factorization.

253305830530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819833.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 253305830530 in words is "two hundred fifty-three billion, three hundred five million, eight hundred thirty thousand, five hundred thirty".