30252533 has 4 divisors (see below), whose sum is σ = 30293568. Its totient is φ = 30211500.

The previous prime is 30252529. The next prime is 30252581. The reversal of 30252533 is 33525203.

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.

It is a cyclic number.

It is not a de Polignac number, because 30252533 - 2² = 30252529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30252499 and 30252508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19391 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (7573392).

Almost surely, 2^30252533 is an apocalyptic number.

It is an amenable number.

30252533 is a deficient number, since it is larger than the sum of its proper divisors (41035).

30252533 is an equidigital number, since it uses as much as digits as its factorization.

30252533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41034.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 30252533 is about 5500.2302679070. The cubic root of 30252533 is about 311.5926808599.

Adding to 30252533 its reverse (33525203), we get a palindrome (63777736).

The spelling of 30252533 in words is "thirty million, two hundred fifty-two thousand, five hundred thirty-three".