33445252 has 6 divisors (see below), whose sum is σ = 58529198. Its totient is φ = 16722624.

The previous prime is 33445231. The next prime is 33445253. The reversal of 33445252 is 25254433.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 2709316 = 5544^2 + 1646^2 .

It is a super-2 number, since 2×33445252² = 2237169762687008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33445252.

It is not an unprimeable number, because it can be changed into a prime (33445253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180653 + ... + 4180660.

Almost surely, 2^33445252 is an apocalyptic number.

It is an amenable number.

33445252 is a deficient number, since it is larger than the sum of its proper divisors (25083946).

33445252 is a wasteful number, since it uses less digits than its factorization.

33445252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361317 (or 8361315 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 33445252 is about 5783.1870106370. The cubic root of 33445252 is about 322.1895801170.

Adding to 33445252 its reverse (25254433), we get a palindrome (58699685).

The spelling of 33445252 in words is "thirty-three million, four hundred forty-five thousand, two hundred fifty-two".