86352491 has 2 divisors, whose sum is σ = 86352492. Its totient is φ = 86352490.

The previous prime is 86352479. The next prime is 86352493. The reversal of 86352491 is 19425368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86352491 - 2¹⁰ = 86351467 is a prime.

Together with 86352493, 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 (86352493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43176245 + 43176246.

It is an arithmetic number, because the mean of its divisors is an integer number (43176246).

Almost surely, 2^86352491 is an apocalyptic number.

86352491 is a deficient number, since it is larger than the sum of its proper divisors (1).

86352491 is an equidigital number, since it uses as much as digits as its factorization.

86352491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 86352491 is about 9292.6041021879. The cubic root of 86352491 is about 442.0027350486.

The spelling of 86352491 in words is "eighty-six million, three hundred fifty-two thousand, four hundred ninety-one".