527168405 has 16 divisors (see below), whose sum is σ = 651807984. Its totient is φ = 409121280.

The previous prime is 527168401. The next prime is 527168417. The reversal of 527168405 is 504861725.

It can be written as a sum of positive squares in 8 ways, for example, as 76073284 + 451095121 = 8722^2 + 21239^2 .

It is not a de Polignac number, because 527168405 - 2² = 527168401 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 (527168401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10427 + ... + 34103.

It is an arithmetic number, because the mean of its divisors is an integer number (40737999).

Almost surely, 2^527168405 is an apocalyptic number.

It is an amenable number.

527168405 is a deficient number, since it is larger than the sum of its proper divisors (124639579).

527168405 is a wasteful number, since it uses less digits than its factorization.

527168405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23816.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 527168405 is about 22960.1481920305. The cubic root of 527168405 is about 807.8234535078.

The spelling of 527168405 in words is "five hundred twenty-seven million, one hundred sixty-eight thousand, four hundred five".