253021130 has 8 divisors (see below), whose sum is σ = 455438052. Its totient is φ = 101208448.

The previous prime is 253021123. The next prime is 253021141. The reversal of 253021130 is 31120352.

It can be written as a sum of positive squares in 2 ways, for example, as 212022721 + 40998409 = 14561^2 + 6403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 253021099 and 253021108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12651047 + ... + 12651066.

Almost surely, 2^253021130 is an apocalyptic number.

253021130 is a deficient number, since it is larger than the sum of its proper divisors (202416922).

253021130 is a wasteful number, since it uses less digits than its factorization.

253021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302120.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 253021130 is about 15906.6379225781. The cubic root of 253021130 is about 632.4879613596.

Adding to 253021130 its reverse (31120352), we get a palindrome (284141482).

The spelling of 253021130 in words is "two hundred fifty-three million, twenty-one thousand, one hundred thirty".