230547533 has 2 divisors, whose sum is σ = 230547534. Its totient is φ = 230547532.

The previous prime is 230547529. The next prime is 230547587. The reversal of 230547533 is 335745032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 101566084 = 11357^2 + 10078^2 .

It is a cyclic number.

It is not a de Polignac number, because 230547533 - 2² = 230547529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230547533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230547433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115273766 + 115273767.

It is an arithmetic number, because the mean of its divisors is an integer number (115273767).

Almost surely, 2^230547533 is an apocalyptic number.

It is an amenable number.

230547533 is a deficient number, since it is larger than the sum of its proper divisors (1).

230547533 is an equidigital number, since it uses as much as digits as its factorization.

230547533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 230547533 is about 15183.7917859802. The cubic root of 230547533 is about 613.1783697654.

The spelling of 230547533 in words is "two hundred thirty million, five hundred forty-seven thousand, five hundred thirty-three".