86523413 has 2 divisors, whose sum is σ = 86523414. Its totient is φ = 86523412.

The previous prime is 86523403. The next prime is 86523431. The reversal of 86523413 is 31432568.

Together with next prime (86523431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78446449 + 8076964 = 8857^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 86523413 - 2¹⁸ = 86261269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86523413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86523403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43261706 + 43261707.

It is an arithmetic number, because the mean of its divisors is an integer number (43261707).

Almost surely, 2^86523413 is an apocalyptic number.

It is an amenable number.

86523413 is a deficient number, since it is larger than the sum of its proper divisors (1).

86523413 is an equidigital number, since it uses as much as digits as its factorization.

86523413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 86523413 is about 9301.7962243859. The cubic root of 86523413 is about 442.2941692233.

The spelling of 86523413 in words is "eighty-six million, five hundred twenty-three thousand, four hundred thirteen".