86273321 has 2 divisors, whose sum is σ = 86273322. Its totient is φ = 86273320.

The previous prime is 86273311. The next prime is 86273329. The reversal of 86273321 is 12337268.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82810000 + 3463321 = 9100^2 + 1861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86273321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86273329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43136660 + 43136661.

It is an arithmetic number, because the mean of its divisors is an integer number (43136661).

Almost surely, 2^86273321 is an apocalyptic number.

It is an amenable number.

86273321 is a deficient number, since it is larger than the sum of its proper divisors (1).

86273321 is an equidigital number, since it uses as much as digits as its factorization.

86273321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 86273321 is about 9288.3432860764. The cubic root of 86273321 is about 441.8676142361.

The spelling of 86273321 in words is "eighty-six million, two hundred seventy-three thousand, three hundred twenty-one".