253104243 has 16 divisors (see below), whose sum is σ = 398125056. Its totient is φ = 139965120.

The previous prime is 253104239. The next prime is 253104251. The reversal of 253104243 is 342401352.

It is not a de Polignac number, because 253104243 - 2² = 253104239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253104233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 193746 + ... + 195047.

It is an arithmetic number, because the mean of its divisors is an integer number (24882816).

Almost surely, 2^253104243 is an apocalyptic number.

253104243 is a deficient number, since it is larger than the sum of its proper divisors (145020813).

253104243 is a wasteful number, since it uses less digits than its factorization.

253104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388834.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253104243 is about 15909.2502337477. The cubic root of 253104243 is about 632.5572075092.

Adding to 253104243 its reverse (342401352), we get a palindrome (595505595).

The spelling of 253104243 in words is "two hundred fifty-three million, one hundred four thousand, two hundred forty-three".