86263251 has 8 divisors (see below), whose sum is σ = 116967360. Its totient is φ = 56533992.

The previous prime is 86263241. The next prime is 86263267. The reversal of 86263251 is 15236268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86263251 - 2⁶ = 86263187 is a prime.

It is a super-3 number, since 3×86263251³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (86263241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243505 + ... + 243858.

It is an arithmetic number, because the mean of its divisors is an integer number (14620920).

Almost surely, 2^86263251 is an apocalyptic number.

86263251 is a deficient number, since it is larger than the sum of its proper divisors (30704109).

86263251 is a wasteful number, since it uses less digits than its factorization.

86263251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487425.

The product of its digits is 17280, while the sum is 33.

The square root of 86263251 is about 9287.8011929627. The cubic root of 86263251 is about 441.8504216673.

The spelling of 86263251 in words is "eighty-six million, two hundred sixty-three thousand, two hundred fifty-one".