33061253 has 4 divisors (see below), whose sum is σ = 33072768. Its totient is φ = 33049740.

The previous prime is 33061229. The next prime is 33061267. The reversal of 33061253 is 35216033.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35216033 = 1783 ⋅19751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33061253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33061213) 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, 2450 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (8268192).

Almost surely, 2^33061253 is an apocalyptic number.

It is an amenable number.

33061253 is a deficient number, since it is larger than the sum of its proper divisors (11515).

33061253 is an equidigital number, since it uses as much as digits as its factorization.

33061253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 33061253 is about 5749.8915641949. The cubic root of 33061253 is about 320.9517659950.

Adding to 33061253 its reverse (35216033), we get a palindrome (68277286).

The spelling of 33061253 in words is "thirty-three million, sixty-one thousand, two hundred fifty-three".