527540729 has 2 divisors, whose sum is σ = 527540730. Its totient is φ = 527540728.

The previous prime is 527540687. The next prime is 527540743. The reversal of 527540729 is 927045725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410143504 + 117397225 = 20252^2 + 10835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-527540729 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (527540759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263770364 + 263770365.

It is an arithmetic number, because the mean of its divisors is an integer number (263770365).

Almost surely, 2^527540729 is an apocalyptic number.

It is an amenable number.

527540729 is a deficient number, since it is larger than the sum of its proper divisors (1).

527540729 is an equidigital number, since it uses as much as digits as its factorization.

527540729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 527540729 is about 22968.2548096280. The cubic root of 527540729 is about 808.0135896360.

The spelling of 527540729 in words is "five hundred twenty-seven million, five hundred forty thousand, seven hundred twenty-nine".