87293 has 2 divisors, whose sum is σ = 87294. Its totient is φ = 87292.

The previous prime is 87281. The next prime is 87299. The reversal of 87293 is 39278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85849 + 1444 = 293^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 87293 - 2⁴ = 87277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43646 + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (43647).

2⁸⁷²⁹³ is an apocalyptic number.

It is an amenable number.

87293 is a deficient number, since it is larger than the sum of its proper divisors (1).

87293 is an equidigital number, since it uses as much as digits as its factorization.

87293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 87293 is about 295.4538881112. The cubic root of 87293 is about 44.3601636575.

The spelling of 87293 in words is "eighty-seven thousand, two hundred ninety-three".