33252449 has 4 divisors (see below), whose sum is σ = 33708036. Its totient is φ = 32796864.

The previous prime is 33252433. The next prime is 33252463. The reversal of 33252449 is 94425233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94425233 = 7 ⋅13489319.

It can be written as a sum of positive squares in 2 ways, for example, as 15880225 + 17372224 = 3985^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 33252449 - 2⁴ = 33252433 is a prime.

It is a super-2 number, since 2×33252449² = 2211450728995202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33252409) 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, 227684 + ... + 227829.

It is an arithmetic number, because the mean of its divisors is an integer number (8427009).

Almost surely, 2^33252449 is an apocalyptic number.

It is an amenable number.

33252449 is a deficient number, since it is larger than the sum of its proper divisors (455587).

33252449 is an equidigital number, since it uses as much as digits as its factorization.

33252449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455586.

The product of its digits is 25920, while the sum is 32.

The square root of 33252449 is about 5766.4936486569. The cubic root of 33252449 is about 321.5692741503.

The spelling of 33252449 in words is "thirty-three million, two hundred fifty-two thousand, four hundred forty-nine".