527788945 has 4 divisors (see below), whose sum is σ = 633346740. Its totient is φ = 422231152.

The previous prime is 527788907. The next prime is 527789039. The reversal of 527788945 is 549887725.

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 340181136 + 187607809 = 18444^2 + 13697^2 .

It is a cyclic number.

It is not a de Polignac number, because 527788945 - 2¹⁹ = 527264657 is a prime.

It is a super-2 number, since 2×527788945² = 557122340928426050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52778890 + ... + 52778899.

It is an arithmetic number, because the mean of its divisors is an integer number (158336685).

Almost surely, 2^527788945 is an apocalyptic number.

It is an amenable number.

527788945 is a deficient number, since it is larger than the sum of its proper divisors (105557795).

527788945 is a wasteful number, since it uses less digits than its factorization.

527788945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105557794.

The product of its digits is 5644800, while the sum is 55.

The square root of 527788945 is about 22973.6576321665. The cubic root of 527788945 is about 808.1402973589.

The spelling of 527788945 in words is "five hundred twenty-seven million, seven hundred eighty-eight thousand, nine hundred forty-five".