253030280 has 16 divisors (see below), whose sum is σ = 569318220. Its totient is φ = 101212096.

The previous prime is 253030273. The next prime is 253030289. The reversal of 253030280 is 82030352.

It can be written as a sum of positive squares in 2 ways, for example, as 241429444 + 11600836 = 15538^2 + 3406^2 .

It is not an unprimeable number, because it can be changed into a prime (253030289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162839 + ... + 3162918.

Almost surely, 2^253030280 is an apocalyptic number.

253030280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253030280 is an abundant number, since it is smaller than the sum of its proper divisors (316287940).

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

253030280 is a wasteful number, since it uses less digits than its factorization.

253030280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325768 (or 6325764 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 253030280 is about 15906.9255357533. The cubic root of 253030280 is about 632.4955854858.

The spelling of 253030280 in words is "two hundred fifty-three million, thirty thousand, two hundred eighty".