86091253 has 4 divisors (see below), whose sum is σ = 86175628. Its totient is φ = 86006880.

The previous prime is 86091241. The next prime is 86091259. The reversal of 86091253 is 35219068.

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 80676324 + 5414929 = 8982^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 86091253 - 2¹⁷ = 85960181 is a prime.

It is a super-2 number, since 2×86091253² = 14823407686220018, 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 (86091259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40638 + ... + 42703.

It is an arithmetic number, because the mean of its divisors is an integer number (21543907).

Almost surely, 2^86091253 is an apocalyptic number.

It is an amenable number.

86091253 is a deficient number, since it is larger than the sum of its proper divisors (84375).

86091253 is a wasteful number, since it uses less digits than its factorization.

86091253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84374.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 86091253 is about 9278.5372230756. The cubic root of 86091253 is about 441.5565616760.

The spelling of 86091253 in words is "eighty-six million, ninety-one thousand, two hundred fifty-three".