528795397 has 8 divisors (see below), whose sum is σ = 578808440. Its totient is φ = 480116160.

The previous prime is 528795389. The next prime is 528795401. The reversal of 528795397 is 793597825.

It can be written as a sum of positive squares in 4 ways, for example, as 7403841 + 521391556 = 2721^2 + 22834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528795397 - 2³ = 528795389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528795317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332622 + ... + 334207.

It is an arithmetic number, because the mean of its divisors is an integer number (72351055).

Almost surely, 2^528795397 is an apocalyptic number.

It is an amenable number.

528795397 is a deficient number, since it is larger than the sum of its proper divisors (50013043).

528795397 is a wasteful number, since it uses less digits than its factorization.

528795397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666903.

The product of its digits is 4762800, while the sum is 55.

The square root of 528795397 is about 22995.5516785312. The cubic root of 528795397 is about 808.6536578428.

The spelling of 528795397 in words is "five hundred twenty-eight million, seven hundred ninety-five thousand, three hundred ninety-seven".