528200945 has 4 divisors (see below), whose sum is σ = 633841140. Its totient is φ = 422560752.

The previous prime is 528200941. The next prime is 528200947. The reversal of 528200945 is 549002825.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251444449 + 276756496 = 15857^2 + 16636^2 .

It is a cyclic number.

It is not a de Polignac number, because 528200945 - 2² = 528200941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528200941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52820090 + ... + 52820099.

It is an arithmetic number, because the mean of its divisors is an integer number (158460285).

Almost surely, 2^528200945 is an apocalyptic number.

It is an amenable number.

528200945 is a deficient number, since it is larger than the sum of its proper divisors (105640195).

528200945 is a wasteful number, since it uses less digits than its factorization.

528200945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105640194.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 528200945 is about 22982.6226745339. The cubic root of 528200945 is about 808.3505248289.

The spelling of 528200945 in words is "five hundred twenty-eight million, two hundred thousand, nine hundred forty-five".