253116435 has 64 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 112519680.

The previous prime is 253116433. The next prime is 253116503. The reversal of 253116435 is 534611352.

It is not a de Polignac number, because 253116435 - 2¹ = 253116433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253116433) 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 63 ways as a sum of consecutive naturals, for example, 422266 + ... + 422864.

It is an arithmetic number, because the mean of its divisors is an integer number (7484400).

Almost surely, 2^253116435 is an apocalyptic number.

253116435 is a deficient number, since it is larger than the sum of its proper divisors (225885165).

253116435 is a wasteful number, since it uses less digits than its factorization.

253116435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its digits is 10800, while the sum is 30.

The square root of 253116435 is about 15909.6334024389. The cubic root of 253116435 is about 632.5673640803.

Adding to 253116435 its reverse (534611352), we get a palindrome (787727787).

The spelling of 253116435 in words is "two hundred fifty-three million, one hundred sixteen thousand, four hundred thirty-five".