253121234335 has 16 divisors (see below), whose sum is σ = 307161781632. Its totient is φ = 200224800000.

The previous prime is 253121234323. The next prime is 253121234339. The reversal of 253121234335 is 533432121352.

It is not a de Polignac number, because 253121234335 - 2³⁷ = 115682280863 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 253121234335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253121234339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45547 + ... + 712963.

It is an arithmetic number, because the mean of its divisors is an integer number (19197611352).

Almost surely, 2^253121234335 is an apocalyptic number.

253121234335 is a deficient number, since it is larger than the sum of its proper divisors (54040547297).

253121234335 is a wasteful number, since it uses less digits than its factorization.

253121234335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668274.

The product of its digits is 64800, while the sum is 34.

Adding to 253121234335 its reverse (533432121352), we get a palindrome (786553355687).

The spelling of 253121234335 in words is "two hundred fifty-three billion, one hundred twenty-one million, two hundred thirty-four thousand, three hundred thirty-five".