253530798 has 32 divisors (see below), whose sum is σ = 521482752. Its totient is φ = 82123200.

The previous prime is 253530791. The next prime is 253530799. The reversal of 253530798 is 897035352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530791) 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, 64765 + ... + 68567.

It is an arithmetic number, because the mean of its divisors is an integer number (16296336).

Almost surely, 2^253530798 is an apocalyptic number.

253530798 is an abundant number, since it is smaller than the sum of its proper divisors (267951954).

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

253530798 is a wasteful number, since it uses less digits than its factorization.

253530798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 253530798 is about 15922.6504703206. The cubic root of 253530798 is about 632.9123563110.

It can be divided in two parts, 2535 and 30798, that added together give a palindrome (33333).

The spelling of 253530798 in words is "two hundred fifty-three million, five hundred thirty thousand, seven hundred ninety-eight".