527422217 has 12 divisors (see below), whose sum is σ = 624277056. Its totient is φ = 436482480.

The previous prime is 527422213. The next prime is 527422261. The reversal of 527422217 is 712224725.

It is not a de Polignac number, because 527422217 - 2² = 527422213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (527422211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38909 + ... + 50682.

It is an arithmetic number, because the mean of its divisors is an integer number (52023088).

Almost surely, 2^527422217 is an apocalyptic number.

It is an amenable number.

527422217 is a deficient number, since it is larger than the sum of its proper divisors (96854839).

527422217 is an equidigital number, since it uses as much as digits as its factorization.

527422217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89656 (or 89627 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 527422217 is about 22965.6747560354. The cubic root of 527422217 is about 807.9530783662.

The spelling of 527422217 in words is "five hundred twenty-seven million, four hundred twenty-two thousand, two hundred seventeen".