527520231 has 18 divisors (see below), whose sum is σ = 886378272. Its totient is φ = 301439880.

The previous prime is 527520223. The next prime is 527520233. The reversal of 527520231 is 132025725.

It is not a de Polignac number, because 527520231 - 2³ = 527520223 is a prime.

It is a super-2 number, since 2×527520231² = 556555188228586722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 527520195 and 527520204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527520233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 597655 + ... + 598536.

Almost surely, 2^527520231 is an apocalyptic number.

527520231 is a deficient number, since it is larger than the sum of its proper divisors (358858041).

527520231 is a wasteful number, since it uses less digits than its factorization.

527520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196211 (or 1196201 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 527520231 is about 22967.8085807070. The cubic root of 527520231 is about 808.0031241710.

Adding to 527520231 its reverse (132025725), we get a palindrome (659545956).

The spelling of 527520231 in words is "five hundred twenty-seven million, five hundred twenty thousand, two hundred thirty-one".