253113435 has 12 divisors (see below), whose sum is σ = 438730032. Its totient is φ = 134993808.

The previous prime is 253113431. The next prime is 253113457. The reversal of 253113435 is 534311352.

253113435 is a `hidden beast` number, since 2 + 5 + 311 + 343 + 5 = 666.

It is not a de Polignac number, because 253113435 - 2² = 253113431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253113399 and 253113408.

It is not an unprimeable number, because it can be changed into a prime (253113431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2812327 + ... + 2812416.

It is an arithmetic number, because the mean of its divisors is an integer number (36560836).

Almost surely, 2^253113435 is an apocalyptic number.

253113435 is a deficient number, since it is larger than the sum of its proper divisors (185616597).

253113435 is a wasteful number, since it uses less digits than its factorization.

253113435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624754 (or 5624751 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 253113435 is about 15909.5391196603. The cubic root of 253113435 is about 632.5648649543.

Adding to 253113435 its reverse (534311352), we get a palindrome (787424787).

The spelling of 253113435 in words is "two hundred fifty-three million, one hundred thirteen thousand, four hundred thirty-five".