86263213 has 2 divisors, whose sum is σ = 86263214. Its totient is φ = 86263212.

The previous prime is 86263193. The next prime is 86263241. The reversal of 86263213 is 31236268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69272329 + 16990884 = 8323^2 + 4122^2 .

It is a cyclic number.

It is not a de Polignac number, because 86263213 - 2²⁵ = 52708781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86263273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43131606 + 43131607.

It is an arithmetic number, because the mean of its divisors is an integer number (43131607).

Almost surely, 2^86263213 is an apocalyptic number.

It is an amenable number.

86263213 is a deficient number, since it is larger than the sum of its proper divisors (1).

86263213 is an equidigital number, since it uses as much as digits as its factorization.

86263213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 86263213 is about 9287.7991472684. The cubic root of 86263213 is about 441.8503567872.

The spelling of 86263213 in words is "eighty-six million, two hundred sixty-three thousand, two hundred thirteen".