33252513 has 16 divisors (see below), whose sum is σ = 50866176. Its totient is φ = 18928080.

The previous prime is 33252511. The next prime is 33252523. The reversal of 33252513 is 31525233.

It is a happy number.

It is not a de Polignac number, because 33252513 - 2¹ = 33252511 is a prime.

It is a super-3 number, since 3×33252513³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33252511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770 + ... + 8612.

It is an arithmetic number, because the mean of its divisors is an integer number (3179136).

Almost surely, 2^33252513 is an apocalyptic number.

It is an amenable number.

33252513 is a deficient number, since it is larger than the sum of its proper divisors (17613663).

33252513 is a wasteful number, since it uses less digits than its factorization.

33252513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124.

The product of its digits is 2700, while the sum is 24.

The square root of 33252513 is about 5766.4991979536. The cubic root of 33252513 is about 321.5694804551.

Adding to 33252513 its reverse (31525233), we get a palindrome (64777746).

The spelling of 33252513 in words is "thirty-three million, two hundred fifty-two thousand, five hundred thirteen".