528304743 has 12 divisors (see below), whose sum is σ = 768678768. Its totient is φ = 349631520.

The previous prime is 528304729. The next prime is 528304753. The reversal of 528304743 is 347403825.

It is a happy number.

It is not a de Polignac number, because 528304743 - 2¹⁴ = 528288359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 528304698 and 528304707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528304753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213003 + ... + 215468.

It is an arithmetic number, because the mean of its divisors is an integer number (64056564).

Almost surely, 2^528304743 is an apocalyptic number.

528304743 is a deficient number, since it is larger than the sum of its proper divisors (240374025).

528304743 is a wasteful number, since it uses less digits than its factorization.

528304743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428614 (or 428611 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 528304743 is about 22984.8807480048. The cubic root of 528304743 is about 808.4034716434.

The spelling of 528304743 in words is "five hundred twenty-eight million, three hundred four thousand, seven hundred forty-three".