86519453 has 2 divisors, whose sum is σ = 86519454. Its totient is φ = 86519452.

The previous prime is 86519423. The next prime is 86519507. The reversal of 86519453 is 35491568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 5555449 = 8998^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 86519453 - 2⁸ = 86519197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86519453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86519413) 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, 43259726 + 43259727.

It is an arithmetic number, because the mean of its divisors is an integer number (43259727).

Almost surely, 2^86519453 is an apocalyptic number.

It is an amenable number.

86519453 is a deficient number, since it is larger than the sum of its proper divisors (1).

86519453 is an equidigital number, since it uses as much as digits as its factorization.

86519453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 86519453 is about 9301.5833598372. The cubic root of 86519453 is about 442.2874214866.

The spelling of 86519453 in words is "eighty-six million, five hundred nineteen thousand, four hundred fifty-three".