30052533 has 12 divisors (see below), whose sum is σ = 46612320. Its totient is φ = 17172792.

The previous prime is 30052523. The next prime is 30052543. The reversal of 30052533 is 33525003.

It is an interprime number because it is at equal distance from previous prime (30052523) and next prime (30052543).

It is not a de Polignac number, because 30052533 - 2⁵ = 30052501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102073 + ... + 102366.

It is an arithmetic number, because the mean of its divisors is an integer number (3884360).

Almost surely, 2^30052533 is an apocalyptic number.

It is an amenable number.

30052533 is a deficient number, since it is larger than the sum of its proper divisors (16559787).

30052533 is a wasteful number, since it uses less digits than its factorization.

30052533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204456 (or 204449 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 30052533 is about 5482.0190623528. The cubic root of 30052533 is about 310.9045139944.

Adding to 30052533 its reverse (33525003), we get a palindrome (63577536).

The spelling of 30052533 in words is "thirty million, fifty-two thousand, five hundred thirty-three".