33155252 has 12 divisors (see below), whose sum is σ = 62484996. Its totient is φ = 15302400.

The previous prime is 33155251. The next prime is 33155267. The reversal of 33155252 is 25255133.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 27604516 = 2356^2 + 5254^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33155251) 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, 318749 + ... + 318852.

It is an arithmetic number, because the mean of its divisors is an integer number (5207083).

Almost surely, 2^33155252 is an apocalyptic number.

It is an amenable number.

33155252 is a deficient number, since it is larger than the sum of its proper divisors (29329744).

33155252 is a wasteful number, since it uses less digits than its factorization.

33155252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637618 (or 637616 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 33155252 is about 5758.0597426564. The cubic root of 33155252 is about 321.2556524211.

The spelling of 33155252 in words is "thirty-three million, one hundred fifty-five thousand, two hundred fifty-two".