525271266 has 36 divisors (see below), whose sum is σ = 1232374338. Its totient is φ = 161620992.

The previous prime is 525271261. The next prime is 525271267. The reversal of 525271266 is 662172525.

525271266 is a `hidden beast` number, since 5 + 2 + 527 + 126 + 6 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 216531225 + 308740041 = 14715^2 + 17571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525271266.

It is not an unprimeable number, because it can be changed into a prime (525271261) 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, 83295 + ... + 89378.

Almost surely, 2^525271266 is an apocalyptic number.

525271266 is an abundant number, since it is smaller than the sum of its proper divisors (707103072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525271266 is a wasteful number, since it uses less digits than its factorization.

525271266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172707 (or 172691 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 525271266 is about 22918.7972197496. The cubic root of 525271266 is about 806.8532414174.

The spelling of 525271266 in words is "five hundred twenty-five million, two hundred seventy-one thousand, two hundred sixty-six".