253135533 has 8 divisors (see below), whose sum is σ = 385730368. Its totient is φ = 144648864.

The previous prime is 253135489. The next prime is 253135549. The reversal of 253135533 is 335531352.

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

It is not a de Polignac number, because 253135533 - 2⁶ = 253135469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253135533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253135573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027016 + ... + 6027057.

It is an arithmetic number, because the mean of its divisors is an integer number (48216296).

Almost surely, 2^253135533 is an apocalyptic number.

It is an amenable number.

253135533 is a deficient number, since it is larger than the sum of its proper divisors (132594835).

253135533 is a wasteful number, since it uses less digits than its factorization.

253135533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054083.

The product of its digits is 20250, while the sum is 30.

The square root of 253135533 is about 15910.2335935083. The cubic root of 253135533 is about 632.5832730534.

Adding to 253135533 its reverse (335531352), we get a palindrome (588666885).

The spelling of 253135533 in words is "two hundred fifty-three million, one hundred thirty-five thousand, five hundred thirty-three".