86293013 has 2 divisors, whose sum is σ = 86293014. Its totient is φ = 86293012.

The previous prime is 86292989. The next prime is 86293019. The reversal of 86293013 is 31039268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 508369 = 9262^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 86293013 - 2⁶ = 86292949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86293019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43146506 + 43146507.

It is an arithmetic number, because the mean of its divisors is an integer number (43146507).

Almost surely, 2^86293013 is an apocalyptic number.

It is an amenable number.

86293013 is a deficient number, since it is larger than the sum of its proper divisors (1).

86293013 is an equidigital number, since it uses as much as digits as its factorization.

86293013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 86293013 is about 9289.4032639347. The cubic root of 86293013 is about 441.9012306350.

The spelling of 86293013 in words is "eighty-six million, two hundred ninety-three thousand, thirteen".