527172705 has 28 divisors (see below), whose sum is σ = 948483540. Its totient is φ = 281156832.

The previous prime is 527172697. The next prime is 527172731. The reversal of 527172705 is 507271725.

It can be written as a sum of positive squares in 2 ways, for example, as 361304064 + 165868641 = 19008^2 + 12879^2 .

It is not a de Polignac number, because 527172705 - 2³ = 527172697 is a prime.

It is a super-2 number, since 2×527172705² = 555822121794034050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 527172705.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 68670 + ... + 75959.

Almost surely, 2^527172705 is an apocalyptic number.

It is an amenable number.

527172705 is a deficient number, since it is larger than the sum of its proper divisors (421310835).

527172705 is an equidigital number, since it uses as much as digits as its factorization.

527172705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144652 (or 144637 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 527172705 is about 22960.2418323501. The cubic root of 527172705 is about 807.8256499162.

The spelling of 527172705 in words is "five hundred twenty-seven million, one hundred seventy-two thousand, seven hundred five".