253833530 has 16 divisors (see below), whose sum is σ = 457993224. Its totient is φ = 101290560.

The previous prime is 253833529. The next prime is 253833551. The reversal of 253833530 is 35338352.

It can be written as a sum of positive squares in 4 ways, for example, as 96255721 + 157577809 = 9811^2 + 12553^2 .

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 7 ways as a sum of consecutive naturals, for example, 25937 + ... + 34356.

Almost surely, 2^253833530 is an apocalyptic number.

253833530 is a deficient number, since it is larger than the sum of its proper divisors (204159694).

253833530 is a wasteful number, since it uses less digits than its factorization.

253833530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 253833530 is about 15932.1539661152. The cubic root of 253833530 is about 633.1641687318.

The spelling of 253833530 in words is "two hundred fifty-three million, eight hundred thirty-three thousand, five hundred thirty".