253020194 has 16 divisors (see below), whose sum is σ = 452608128. Its totient is φ = 103722432.

The previous prime is 253020193. The next prime is 253020199. The reversal of 253020194 is 491020352.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253020191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392567 + ... + 393210.

It is an arithmetic number, because the mean of its divisors is an integer number (28288008).

Almost surely, 2^253020194 is an apocalyptic number.

253020194 is a deficient number, since it is larger than the sum of its proper divisors (199587934).

253020194 is a wasteful number, since it uses less digits than its factorization.

253020194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785809.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 253020194 is about 15906.6085008716. The cubic root of 253020194 is about 632.4871814386.

The spelling of 253020194 in words is "two hundred fifty-three million, twenty thousand, one hundred ninety-four".