86225251 has 12 divisors (see below), whose sum is σ = 100517448. Its totient is φ = 73749312.

The previous prime is 86225233. The next prime is 86225263. The reversal of 86225251 is 15252268.

It is not a de Polignac number, because 86225251 - 2⁵ = 86225219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86265251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25195 + ... + 28411.

It is an arithmetic number, because the mean of its divisors is an integer number (8376454).

Almost surely, 2^86225251 is an apocalyptic number.

86225251 is a deficient number, since it is larger than the sum of its proper divisors (14292197).

86225251 is a wasteful number, since it uses less digits than its factorization.

86225251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778 (or 3771 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 86225251 is about 9285.7552735359. The cubic root of 86225251 is about 441.7855319958.

The spelling of 86225251 in words is "eighty-six million, two hundred twenty-five thousand, two hundred fifty-one".