528026725 has 6 divisors (see below), whose sum is σ = 654753170. Its totient is φ = 422421360.

The previous prime is 528026711. The next prime is 528026729. The reversal of 528026725 is 527620825.

It can be written as a sum of positive squares in 3 ways, for example, as 53919649 + 474107076 = 7343^2 + 21774^2 .

It is not a de Polignac number, because 528026725 - 2¹¹ = 528024677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528026729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10560510 + ... + 10560559.

Almost surely, 2^528026725 is an apocalyptic number.

It is an amenable number.

528026725 is a deficient number, since it is larger than the sum of its proper divisors (126726445).

528026725 is a wasteful number, since it uses less digits than its factorization.

528026725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21121079 (or 21121074 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 528026725 is about 22978.8321069631. The cubic root of 528026725 is about 808.2616405282.

The spelling of 528026725 in words is "five hundred twenty-eight million, twenty-six thousand, seven hundred twenty-five".