86540527 has 2 divisors, whose sum is σ = 86540528. Its totient is φ = 86540526.

The previous prime is 86540501. The next prime is 86540549. The reversal of 86540527 is 72504568.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86540527 - 2¹⁹ = 86016239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86570527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43270263 + 43270264.

It is an arithmetic number, because the mean of its divisors is an integer number (43270264).

Almost surely, 2^86540527 is an apocalyptic number.

86540527 is a deficient number, since it is larger than the sum of its proper divisors (1).

86540527 is an equidigital number, since it uses as much as digits as its factorization.

86540527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 86540527 is about 9302.7161087502. The cubic root of 86540527 is about 442.3233286656.

The spelling of 86540527 in words is "eighty-six million, five hundred forty thousand, five hundred twenty-seven".