253536330 has 32 divisors (see below), whose sum is σ = 621437184. Its totient is φ = 66170816.

The previous prime is 253536329. The next prime is 253536389. The reversal of 253536330 is 33635352.

253536330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 88497 + ... + 91316.

It is an arithmetic number, because the mean of its divisors is an integer number (19419912).

Almost surely, 2^253536330 is an apocalyptic number.

253536330 is an abundant number, since it is smaller than the sum of its proper divisors (367900854).

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

253536330 is a wasteful number, since it uses less digits than its factorization.

253536330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179870.

The product of its (nonzero) digits is 24300, while the sum is 30.

The square root of 253536330 is about 15922.8241841703. The cubic root of 253536330 is about 632.9169596251.

The spelling of 253536330 in words is "two hundred fifty-three million, five hundred thirty-six thousand, three hundred thirty".