86250293 has 4 divisors (see below), whose sum is σ = 88581420. Its totient is φ = 83919168.

The previous prime is 86250287. The next prime is 86250317. The reversal of 86250293 is 39205268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 29669809 = 7522^2 + 5447^2 .

It is a cyclic number.

It is not a de Polignac number, because 86250293 - 2¹⁰ = 86249269 is a prime.

It is a super-2 number, since 2×86250293² = 14878226085171698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86250223) 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 in 3 ways as a sum of consecutive naturals, for example, 1165508 + ... + 1165581.

It is an arithmetic number, because the mean of its divisors is an integer number (22145355).

Almost surely, 2^86250293 is an apocalyptic number.

It is an amenable number.

86250293 is a deficient number, since it is larger than the sum of its proper divisors (2331127).

86250293 is a wasteful number, since it uses less digits than its factorization.

86250293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331126.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 86250293 is about 9287.1035850797. The cubic root of 86250293 is about 441.8282964309.

The spelling of 86250293 in words is "eighty-six million, two hundred fifty thousand, two hundred ninety-three".