527317397 has 4 divisors (see below), whose sum is σ = 536255040. Its totient is φ = 518379756.

The previous prime is 527317391. The next prime is 527317423. The reversal of 527317397 is 793713725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 527317397 - 2⁴ = 527317381 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 (527317391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4468733 + ... + 4468850.

It is an arithmetic number, because the mean of its divisors is an integer number (134063760).

Almost surely, 2^527317397 is an apocalyptic number.

It is an amenable number.

527317397 is a deficient number, since it is larger than the sum of its proper divisors (8937643).

527317397 is an equidigital number, since it uses as much as digits as its factorization.

527317397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937642.

The product of its digits is 277830, while the sum is 44.

The square root of 527317397 is about 22963.3925411730. The cubic root of 527317397 is about 807.8995505662.

The spelling of 527317397 in words is "five hundred twenty-seven million, three hundred seventeen thousand, three hundred ninety-seven".