33255661253 has 4 divisors (see below), whose sum is σ = 34029048768. Its totient is φ = 32482273740.

The previous prime is 33255661213. The next prime is 33255661319. The reversal of 33255661253 is 35216655233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33255661253 - 2¹² = 33255657157 is a prime.

It is a super-2 number, since 2×33255661253² (a number of 22 digits) contains 22 as substring.

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 33255661253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33255661213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386693693 + ... + 386693778.

It is an arithmetic number, because the mean of its divisors is an integer number (8507262192).

Almost surely, 2^33255661253 is an apocalyptic number.

It is an amenable number.

33255661253 is a deficient number, since it is larger than the sum of its proper divisors (773387515).

33255661253 is an equidigital number, since it uses as much as digits as its factorization.

33255661253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773387514.

The product of its digits is 486000, while the sum is 41.

The spelling of 33255661253 in words is "thirty-three billion, two hundred fifty-five million, six hundred sixty-one thousand, two hundred fifty-three".