86194541 has 2 divisors, whose sum is σ = 86194542. Its totient is φ = 86194540.

The previous prime is 86194499. The next prime is 86194561. The reversal of 86194541 is 14549168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85174441 + 1020100 = 9229^2 + 1010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86194541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86194495 and 86194504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86194561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43097270 + 43097271.

It is an arithmetic number, because the mean of its divisors is an integer number (43097271).

Almost surely, 2^86194541 is an apocalyptic number.

It is an amenable number.

86194541 is a deficient number, since it is larger than the sum of its proper divisors (1).

86194541 is an equidigital number, since it uses as much as digits as its factorization.

86194541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 86194541 is about 9284.1015181869. The cubic root of 86194541 is about 441.7330769645.

The spelling of 86194541 in words is "eighty-six million, one hundred ninety-four thousand, five hundred forty-one".