81060527 has 2 divisors, whose sum is σ = 81060528. Its totient is φ = 81060526.

The previous prime is 81060509. The next prime is 81060569. The reversal of 81060527 is 72506018.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-81060527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 81060527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81060127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40530263 + 40530264.

It is an arithmetic number, because the mean of its divisors is an integer number (40530264).

Almost surely, 2^81060527 is an apocalyptic number.

81060527 is a deficient number, since it is larger than the sum of its proper divisors (1).

81060527 is an equidigital number, since it uses as much as digits as its factorization.

81060527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 81060527 is about 9003.3619831705. The cubic root of 81060527 is about 432.7826159134.

The spelling of 81060527 in words is "eighty-one million, sixty thousand, five hundred twenty-seven".