528552649 has 4 divisors (see below), whose sum is σ = 528861136. Its totient is φ = 528244164.

The previous prime is 528552601. The next prime is 528552667. The reversal of 528552649 is 946255825.

It is a happy number.

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 528552649 - 2¹¹ = 528550601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528552599 and 528552608.

It is not an unprimeable number, because it can be changed into a prime (520552649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151659 + ... + 155104.

It is an arithmetic number, because the mean of its divisors is an integer number (132215284).

Almost surely, 2^528552649 is an apocalyptic number.

It is an amenable number.

528552649 is a deficient number, since it is larger than the sum of its proper divisors (308487).

528552649 is a wasteful number, since it uses less digits than its factorization.

528552649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308486.

The product of its digits is 864000, while the sum is 46.

The square root of 528552649 is about 22990.2729213900. The cubic root of 528552649 is about 808.5298991361.

The spelling of 528552649 in words is "five hundred twenty-eight million, five hundred fifty-two thousand, six hundred forty-nine".