529540091 has 2 divisors, whose sum is σ = 529540092. Its totient is φ = 529540090.

The previous prime is 529540079. The next prime is 529540093. The reversal of 529540091 is 190045925.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-529540091 is a prime.

Together with 529540093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (529540093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264770045 + 264770046.

It is an arithmetic number, because the mean of its divisors is an integer number (264770046).

Almost surely, 2^529540091 is an apocalyptic number.

529540091 is a deficient number, since it is larger than the sum of its proper divisors (1).

529540091 is an equidigital number, since it uses as much as digits as its factorization.

529540091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 529540091 is about 23011.7381134064. The cubic root of 529540091 is about 809.0330844050.

The spelling of 529540091 in words is "five hundred twenty-nine million, five hundred forty thousand, ninety-one".